20021112001101 has 16 divisors (see below), whose sum is σ = 28281523068288. Its totient is φ = 12554966899200.

The previous prime is 20021112001073. The next prime is 20021112001159. The reversal of 20021112001101 is 10110021112002.

It is not a de Polignac number, because 20021112001101 - 2⁵ = 20021112001069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021112001171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113965345 + ... + 114140886.

It is an arithmetic number, because the mean of its divisors is an integer number (1767595191768).

Almost surely, 2^{20021112001101} is an apocalyptic number.

It is an amenable number.

20021112001101 is a deficient number, since it is larger than the sum of its proper divisors (8260411067187).

20021112001101 is a wasteful number, since it uses less digits than its factorization.

20021112001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228107972.

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

Adding to 20021112001101 its reverse (10110021112002), we get a palindrome (30131133113103).

The spelling of 20021112001101 in words is "twenty trillion, twenty-one billion, one hundred twelve million, one thousand, one hundred one".