20221020111002 has 4 divisors (see below), whose sum is σ = 30331530166506. Its totient is φ = 10110510055500.

The previous prime is 20221020110899. The next prime is 20221020111059. The reversal of 20221020111002 is 20011102012202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17184996139441 + 3036023971561 = 4145479^2 + 1742419^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055255027749 + ... + 5055255027752.

Almost surely, 2^{20221020111002} is an apocalyptic number.

20221020111002 is a deficient number, since it is larger than the sum of its proper divisors (10110510055504).

20221020111002 is a wasteful number, since it uses less digits than its factorization.

20221020111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110510055503.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221020111002 its reverse (20011102012202), we get a palindrome (40232122123204).

The spelling of 20221020111002 in words is "twenty trillion, two hundred twenty-one billion, twenty million, one hundred eleven thousand, two".