22021202011012 has 24 divisors (see below), whose sum is σ = 38771399520000. Its totient is φ = 10943775412416.

The previous prime is 22021202010967. The next prime is 22021202011057. The reversal of 22021202011012 is 21011020212022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22021202010967) and next prime (22021202011057).

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, 13756012 + ... + 15273187.

It is an arithmetic number, because the mean of its divisors is an integer number (1615474980000).

Almost surely, 2^{22021202011012} is an apocalyptic number.

It is an amenable number.

22021202011012 is a deficient number, since it is larger than the sum of its proper divisors (16750197508988).

22021202011012 is a wasteful number, since it uses less digits than its factorization.

22021202011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29030355 (or 29030353 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021202011012 its reverse (21011020212022), we get a palindrome (43032222223034).

The spelling of 22021202011012 in words is "twenty-two trillion, twenty-one billion, two hundred two million, eleven thousand, twelve".