211201021102122 has 24 divisors (see below), whose sum is σ = 457839189269280. Its totient is φ = 70363882385640.

The previous prime is 211201021102079. The next prime is 211201021102213. The reversal of 211201021102122 is 221201120102112.

211201021102122 is a `hidden beast` number, since 211 + 20 + 10 + 211 + 0 + 212 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 211201021102095 and 211201021102104.

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, 3038129422 + ... + 3038198937.

It is an arithmetic number, because the mean of its divisors is an integer number (19076632886220).

Almost surely, 2^{211201021102122} is an apocalyptic number.

211201021102122 is an abundant number, since it is smaller than the sum of its proper divisors (246638168167158).

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

211201021102122 is a wasteful number, since it uses less digits than its factorization.

211201021102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076330298 (or 6076330295 counting only the distinct ones).

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

Adding to 211201021102122 its reverse (221201120102112), we get a palindrome (432402141204234).

The spelling of 211201021102122 in words is "two hundred eleven trillion, two hundred one billion, twenty-one million, one hundred two thousand, one hundred twenty-two".