2100020221101 has 32 divisors (see below), whose sum is σ = 3174927856128. Its totient is φ = 1223421330240.

The previous prime is 2100020221093. The next prime is 2100020221109. The reversal of 2100020221101 is 1011220200012.

It is an interprime number because it is at equal distance from previous prime (2100020221093) and next prime (2100020221109).

It is not a de Polignac number, because 2100020221101 - 2³ = 2100020221093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100020221109) 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, 10259611 + ... + 10462296.

It is an arithmetic number, because the mean of its divisors is an integer number (99216495504).

Almost surely, 2^{2100020221101} is an apocalyptic number.

It is an amenable number.

2100020221101 is a deficient number, since it is larger than the sum of its proper divisors (1074907635027).

2100020221101 is a wasteful number, since it uses less digits than its factorization.

2100020221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20722041.

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

Adding to 2100020221101 its reverse (1011220200012), we get a palindrome (3111240421113).

The spelling of 2100020221101 in words is "two trillion, one hundred billion, twenty million, two hundred twenty-one thousand, one hundred one".