20011021001110 has 32 divisors (see below), whose sum is σ = 36104724556992. Its totient is φ = 7985566258560.

The previous prime is 20011021001077. The next prime is 20011021001129. The reversal of 20011021001110 is 1110012011002.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 6074704 + ... + 8770636.

It is an arithmetic number, because the mean of its divisors is an integer number (1128272642406).

Almost surely, 2^{20011021001110} is an apocalyptic number.

20011021001110 is a deficient number, since it is larger than the sum of its proper divisors (16093703555882).

20011021001110 is a wasteful number, since it uses less digits than its factorization.

20011021001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697688.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20011021001110 its reverse (1110012011002), we get a palindrome (21121033012112).

The spelling of 20011021001110 in words is "twenty trillion, eleven billion, twenty-one million, one thousand, one hundred ten".