201102212121102 has 24 divisors (see below), whose sum is σ = 435881710330560. Its totient is φ = 67009416747840.

The previous prime is 201102212121071. The next prime is 201102212121133. The reversal of 201102212121102 is 201121212201102.

201102212121102 is a `hidden beast` number, since 20 + 110 + 221 + 212 + 1 + 102 = 666.

201102212121102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201102212121071) and next prime (201102212121133).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2054446299 + ... + 2054544182.

It is an arithmetic number, because the mean of its divisors is an integer number (18161737930440).

Almost surely, 2^{201102212121102} is an apocalyptic number.

201102212121102 is an abundant number, since it is smaller than the sum of its proper divisors (234779498209458).

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

201102212121102 is a wasteful number, since it uses less digits than its factorization.

201102212121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108993208 (or 4108993205 counting only the distinct ones).

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

Adding to 201102212121102 its reverse (201121212201102), we get a palindrome (402223424322204).

The spelling of 201102212121102 in words is "two hundred one trillion, one hundred two billion, two hundred twelve million, one hundred twenty-one thousand, one hundred two".