1012021211122 has 16 divisors (see below), whose sum is σ = 1520616483000. Its totient is φ = 505149276160.

The previous prime is 1012021211087. The next prime is 1012021211189. The reversal of 1012021211122 is 2211121202101.

It can be written as a sum of positive squares in 4 ways, for example, as 787090126761 + 224931084361 = 887181^2 + 474269^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012021211096 and 1012021211105.

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, 9599754 + ... + 9704602.

Almost surely, 2^{1012021211122} is an apocalyptic number.

1012021211122 is a deficient number, since it is larger than the sum of its proper divisors (508595271878).

1012021211122 is a wasteful number, since it uses less digits than its factorization.

1012021211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113021.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012021211122 its reverse (2211121202101), we get a palindrome (3223142413223).

The spelling of 1012021211122 in words is "one trillion, twelve billion, twenty-one million, two hundred eleven thousand, one hundred twenty-two".