1012021111202 has 16 divisors (see below), whose sum is σ = 1533207544632. Its totient is φ = 500952883200.

The previous prime is 1012021111177. The next prime is 1012021111229. The reversal of 1012021111202 is 2021111202101.

It can be written as a sum of positive squares in 4 ways, for example, as 1011917295481 + 103815721 = 1005941^2 + 10189^2 .

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, 1939148 + ... + 2405064.

Almost surely, 2^{1012021111202} is an apocalyptic number.

1012021111202 is a deficient number, since it is larger than the sum of its proper divisors (521186433430).

1012021111202 is a wasteful number, since it uses less digits than its factorization.

1012021111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476773.

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

Adding to 1012021111202 its reverse (2021111202101), we get a palindrome (3033132313303).

It can be divided in two parts, 101 and 2021111202, that multiplied together give a palindrome (204132231402).

The spelling of 1012021111202 in words is "one trillion, twelve billion, twenty-one million, one hundred eleven thousand, two hundred two".