212120111022122 has 32 divisors (see below), whose sum is σ = 327786126796800. Its totient is φ = 102888862243200.

The previous prime is 212120111022109. The next prime is 212120111022133. The reversal of 212120111022122 is 221220111021212.

It is a junction number, because it is equal to n+sod(n) for n = 212120111022094 and 212120111022103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1934279 + ... + 20687717.

It is an arithmetic number, because the mean of its divisors is an integer number (10243316462400).

Almost surely, 2^{212120111022122} is an apocalyptic number.

212120111022122 is a deficient number, since it is larger than the sum of its proper divisors (115666015774678).

212120111022122 is a wasteful number, since it uses less digits than its factorization.

212120111022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18754262.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212120111022122 its reverse (221220111021212), we get a palindrome (433340222043334).

The spelling of 212120111022122 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred eleven million, twenty-two thousand, one hundred twenty-two".