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202101010122 = 231122423114889
BaseRepresentation
bin1011110000111000101…
…0001010111011001010
3201022122202201001120010
42330032022022323022
511302400324310442
6232502142012350
720413152145644
oct2741612127312
9638582631503
10202101010122
117878a82a200
12332032770b6
131609a6a1a2b
149ad3151894
1553ccb3ab9c
hex2f0e28aeca

202101010122 has 48 divisors (see below), whose sum is σ = 444475402560. Its totient is φ = 61216921920.

The previous prime is 202101010081. The next prime is 202101010169. The reversal of 202101010122 is 221010101202.

202101010122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202101010098 and 202101010107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1701654 + ... + 1816542.

It is an arithmetic number, because the mean of its divisors is an integer number (9259904220).

Almost surely, 2202101010122 is an apocalyptic number.

202101010122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202101010122 is an abundant number, since it is smaller than the sum of its proper divisors (242374392438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202101010122 is a wasteful number, since it uses less digits than its factorization.

202101010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117339 (or 117328 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202101010122 its reverse (221010101202), we get a palindrome (423111111324).

The spelling of 202101010122 in words is "two hundred two billion, one hundred one million, ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 2423 4846 7269 14538 26653 53306 79959 114889 159918 229778 293183 344667 586366 689334 879549 1263779 1759098 2527558 3791337 7582674 13901569 27803138 41704707 83409414 278376047 556752094 835128141 1670256282 3062136517 6124273034 9186409551 18372819102 33683501687 67367003374 101050505061 202101010122