2100020220111 has 32 divisors (see below), whose sum is σ = 3236694156288. Its totient is φ = 1196969379840.

The previous prime is 2100020220029. The next prime is 2100020220131. The reversal of 2100020220111 is 1110220200012.

It is not a de Polignac number, because 2100020220111 - 2¹⁷ = 2100020089039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100020220131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666010 + ... + 2154903.

It is an arithmetic number, because the mean of its divisors is an integer number (101146692384).

Almost surely, 2^{2100020220111} is an apocalyptic number.

2100020220111 is a deficient number, since it is larger than the sum of its proper divisors (1136673936177).

2100020220111 is a wasteful number, since it uses less digits than its factorization.

2100020220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822271.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100020220111 its reverse (1110220200012), we get a palindrome (3210240420123).

The spelling of 2100020220111 in words is "two trillion, one hundred billion, twenty million, two hundred twenty thousand, one hundred eleven".