2111120222101 has 4 divisors (see below), whose sum is σ = 2303040242304. Its totient is φ = 1919200201900.

The previous prime is 2111120222039. The next prime is 2111120222119. The reversal of 2111120222101 is 1012220211112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2111120222101 - 2²⁷ = 2110986004373 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 (2111120222401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95960010085 + ... + 95960010106.

It is an arithmetic number, because the mean of its divisors is an integer number (575760060576).

Almost surely, 2^{2111120222101} is an apocalyptic number.

It is an amenable number.

2111120222101 is a deficient number, since it is larger than the sum of its proper divisors (191920020203).

2111120222101 is a wasteful number, since it uses less digits than its factorization.

2111120222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191920020202.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111120222101 its reverse (1012220211112), we get a palindrome (3123340433213).

The spelling of 2111120222101 in words is "two trillion, one hundred eleven billion, one hundred twenty million, two hundred twenty-two thousand, one hundred one".