202101112101222 has 12 divisors (see below), whose sum is σ = 437885742886020. Its totient is φ = 67367037367068.

The previous prime is 202101112101179. The next prime is 202101112101253. The reversal of 202101112101222 is 222101211101202.

202101112101222 is a `hidden beast` number, since 20 + 210 + 1 + 1 + 1 + 210 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11227839561179 = 202101112101222 / (2 + 0 + 2 + 1 + 0 + 1 + 1 + 1 + 2 + 1 + 0 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 202101112101195 and 202101112101204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5613919780572 + ... + 5613919780607.

It is an arithmetic number, because the mean of its divisors is an integer number (36490478573835).

Almost surely, 2^{202101112101222} is an apocalyptic number.

202101112101222 is an abundant number, since it is smaller than the sum of its proper divisors (235784630784798).

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

202101112101222 is a wasteful number, since it uses less digits than its factorization.

202101112101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11227839561187 (or 11227839561184 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 202101112101222 its reverse (222101211101202), we get a palindrome (424202323202424).

The spelling of 202101112101222 in words is "two hundred two trillion, one hundred one billion, one hundred twelve million, one hundred one thousand, two hundred twenty-two".