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2122011212202 = 2327711014794903
BaseRepresentation
bin11110111000010001101…
…110010111100110101010
321111212021121110121221100
4132320101232113212222
5234231334332242302
64302501040422230
7306211262460630
oct36702156274652
97455247417840
102122011212202
11748a38010452
122a3315317976
1312514932031b
14749c4d6d350
153a2e980cd1c
hex1ee11b979aa

2122011212202 has 192 divisors, whose sum is σ = 5393602805760. Its totient is φ = 590475312000.

The previous prime is 2122011212177. The next prime is 2122011212227. The reversal of 2122011212202 is 2022121102212.

It is a happy number.

2122011212202 is a `hidden beast` number, since 21 + 220 + 11 + 212 + 202 = 666.

It is an interprime number because it is at equal distance from previous prime (2122011212177) and next prime (2122011212227).

It is a super-2 number, since 2×21220112122022 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 432796083 + ... + 432800985.

It is an arithmetic number, because the mean of its divisors is an integer number (28091681280).

Almost surely, 22122011212202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122011212202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2696801402880).

2122011212202 is an abundant number, since it is smaller than the sum of its proper divisors (3271591593558).

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

2122011212202 is a wasteful number, since it uses less digits than its factorization.

2122011212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569 (or 5566 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122011212202 its reverse (2022121102212), we get a palindrome (4144132314414).

The spelling of 2122011212202 in words is "two trillion, one hundred twenty-two billion, eleven million, two hundred twelve thousand, two hundred two".