2112202101 has 4 divisors (see below), whose sum is σ = 2816269472. Its totient is φ = 1408134732.

The previous prime is 2112202093. The next prime is 2112202117. The reversal of 2112202101 is 1012022112.

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 not a de Polignac number, because 2112202101 - 2³ = 2112202093 is a prime.

It is a super-2 number, since 2×2112202101² = 8922795430937628402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112202601) 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, 352033681 + ... + 352033686.

It is an arithmetic number, because the mean of its divisors is an integer number (704067368).

Almost surely, 2^2112202101 is an apocalyptic number.

It is an amenable number.

2112202101 is a deficient number, since it is larger than the sum of its proper divisors (704067371).

2112202101 is an equidigital number, since it uses as much as digits as its factorization.

2112202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704067370.

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

The square root of 2112202101 is about 45958.6999489759. The cubic root of 2112202101 is about 1283.0546553076.

Adding to 2112202101 its reverse (1012022112), we get a palindrome (3124224213).

The spelling of 2112202101 in words is "two billion, one hundred twelve million, two hundred two thousand, one hundred one".