1022111021012 has 36 divisors (see below), whose sum is σ = 1823825192700. Its totient is φ = 501208012032.

The previous prime is 1022111021011. The next prime is 1022111021023. The reversal of 1022111021012 is 2101201112201.

It can be written as a sum of positive squares in 6 ways, for example, as 113680911556 + 908430109456 = 337166^2 + 953116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022111021011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29567114 + ... + 29601662.

Almost surely, 2^{1022111021012} is an apocalyptic number.

It is an amenable number.

1022111021012 is a deficient number, since it is larger than the sum of its proper divisors (801714171688).

1022111021012 is a wasteful number, since it uses less digits than its factorization.

1022111021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37292 (or 37237 counting only the distinct ones).

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

Adding to 1022111021012 its reverse (2101201112201), we get a palindrome (3123312133213).

The spelling of 1022111021012 in words is "one trillion, twenty-two billion, one hundred eleven million, twenty-one thousand, twelve".