211022120122 has 16 divisors (see below), whose sum is σ = 348727827744. Its totient is φ = 94969450000.

The previous prime is 211022120107. The next prime is 211022120131. The reversal of 211022120122 is 221021220112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211022120096 and 211022120105.

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, 47482504 + ... + 47486947.

It is an arithmetic number, because the mean of its divisors is an integer number (21795489234).

Almost surely, 2^211022120122 is an apocalyptic number.

211022120122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211022120122 is a deficient number, since it is larger than the sum of its proper divisors (137705707622).

211022120122 is a wasteful number, since it uses less digits than its factorization.

211022120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94969565.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211022120122 its reverse (221021220112), we get a palindrome (432043340234).

The spelling of 211022120122 in words is "two hundred eleven billion, twenty-two million, one hundred twenty thousand, one hundred twenty-two".