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202101021222122 = 21188310403635397
BaseRepresentation
bin101101111100111101001111…
…100101000010010011101010
3222111120200001122201201011202
4231330331033211002103222
5202442210342413101442
61553455532153524202
760366213465121211
oct5574751745022352
9874520048651152
10202101021222122
115943961a798560
121a800647113662
1388a0076a90619
1437c9a55008078
1518571a0c7ac32
hexb7cf4f9424ea

202101021222122 has 16 divisors (see below), whose sum is σ = 331085292905952. Its totient is φ = 91760064192720.

The previous prime is 202101021222103. The next prime is 202101021222131. The reversal of 202101021222122 is 221222120101202.

It is a junction number, because it is equal to n+sod(n) for n = 202101021222094 and 202101021222103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5201798273 + ... + 5201837124.

It is an arithmetic number, because the mean of its divisors is an integer number (20692830806622).

Almost surely, 2202101021222122 is an apocalyptic number.

202101021222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202101021222122 is a deficient number, since it is larger than the sum of its proper divisors (128984271683830).

202101021222122 is a wasteful number, since it uses less digits than its factorization.

202101021222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10403636293.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202101021222122 its reverse (221222120101202), we get a palindrome (423323141323324).

The spelling of 202101021222122 in words is "two hundred two trillion, one hundred one billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 11 22 883 1766 9713 19426 10403635397 20807270794 114439989367 228879978734 9186410055551 18372820111102 101050510611061 202101021222122