20021211001110 has 32 divisors (see below), whose sum is σ = 52419170621952. Its totient is φ = 4853626909280.

The previous prime is 20021211001109. The next prime is 20021211001219. The reversal of 20021211001110 is 1110011212002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30335167854 + ... + 30335168513.

It is an arithmetic number, because the mean of its divisors is an integer number (1638099081936).

Almost surely, 2^{20021211001110} is an apocalyptic number.

20021211001110 is an abundant number, since it is smaller than the sum of its proper divisors (32397959620842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021211001110 is a wasteful number, since it uses less digits than its factorization.

20021211001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60670336388.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20021211001110 its reverse (1110011212002), we get a palindrome (21131222213112).

The spelling of 20021211001110 in words is "twenty trillion, twenty-one billion, two hundred eleven million, one thousand, one hundred ten".