20211110021002 has 8 divisors (see below), whose sum is σ = 30520132582500. Its totient is φ = 10037732493504.

The previous prime is 20211110020999. The next prime is 20211110021009. The reversal of 20211110021002 is 20012001111202.

It can be written as a sum of positive squares in 2 ways, for example, as 19293520368721 + 917589652281 = 4392439^2 + 957909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20211110021009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33911258127 + ... + 33911258722.

Almost surely, 2^{20211110021002} is an apocalyptic number.

20211110021002 is a deficient number, since it is larger than the sum of its proper divisors (10309022561498).

20211110021002 is a wasteful number, since it uses less digits than its factorization.

20211110021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67822517000.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211110021002 its reverse (20012001111202), we get a palindrome (40223111132204).

The spelling of 20211110021002 in words is "twenty trillion, two hundred eleven billion, one hundred ten million, twenty-one thousand, two".