101021211122 has 16 divisors (see below), whose sum is σ = 164016484632. Its totient is φ = 46388496000.

The previous prime is 101021211119. The next prime is 101021211173. The reversal of 101021211122 is 221112120101.

It can be written as a sum of positive squares in 4 ways, for example, as 92416608001 + 8604603121 = 304001^2 + 92761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101021211097 and 101021211106.

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, 9856379 + ... + 9866622.

Almost surely, 2^101021211122 is an apocalyptic number.

101021211122 is a deficient number, since it is larger than the sum of its proper divisors (62995273510).

101021211122 is a wasteful number, since it uses less digits than its factorization.

101021211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19723213.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101021211122 its reverse (221112120101), we get a palindrome (322133331223).

The spelling of 101021211122 in words is "one hundred one billion, twenty-one million, two hundred eleven thousand, one hundred twenty-two".