101020111020122 has 24 divisors (see below), whose sum is σ = 176955660251604. Its totient is φ = 43125872842752.

The previous prime is 101020111020011. The next prime is 101020111020187. The reversal of 101020111020122 is 221020111020101.

It can be written as a sum of positive squares in 2 ways, for example, as 96737276631121 + 4282834389001 = 9835511^2 + 2069501^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 101020111020097 and 101020111020106.

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, 2005456253 + ... + 2005506624.

Almost surely, 2^{101020111020122} is an apocalyptic number.

101020111020122 is a deficient number, since it is larger than the sum of its proper divisors (75935549231482).

101020111020122 is a wasteful number, since it uses less digits than its factorization.

101020111020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010963150 (or 4010963143 counting only the distinct ones).

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

Adding to 101020111020122 its reverse (221020111020101), we get a palindrome (322040222040223).

The spelling of 101020111020122 in words is "one hundred one trillion, twenty billion, one hundred eleven million, twenty thousand, one hundred twenty-two".