2111220002101 has 16 divisors (see below), whose sum is σ = 2414322169600. Its totient is φ = 1808492997888.

The previous prime is 2111220002093. The next prime is 2111220002119. The reversal of 2111220002101 is 1012000221112.

It is a cyclic number.

It is not a de Polignac number, because 2111220002101 - 2³ = 2111220002093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111220006101) 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, 111583120 + ... + 111602038.

It is an arithmetic number, because the mean of its divisors is an integer number (150895135600).

Almost surely, 2^{2111220002101} is an apocalyptic number.

It is an amenable number.

2111220002101 is a deficient number, since it is larger than the sum of its proper divisors (303102167499).

2111220002101 is a wasteful number, since it uses less digits than its factorization.

2111220002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27988.

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

Adding to 2111220002101 its reverse (1012000221112), we get a palindrome (3123220223213).

The spelling of 2111220002101 in words is "two trillion, one hundred eleven billion, two hundred twenty million, two thousand, one hundred one".