2212100102121 has 32 divisors (see below), whose sum is σ = 3632861584128. Its totient is φ = 1165938554880.

The previous prime is 2212100102117. The next prime is 2212100102137. The reversal of 2212100102121 is 1212010012122.

It is not a de Polignac number, because 2212100102121 - 2² = 2212100102117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212100102121.

It is not an unprimeable number, because it can be changed into a prime (2212100102101) 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, 2706336 + ... + 3427601.

It is an arithmetic number, because the mean of its divisors is an integer number (113526924504).

Almost surely, 2^{2212100102121} is an apocalyptic number.

2212100102121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2212100102121 is a deficient number, since it is larger than the sum of its proper divisors (1420761482007).

2212100102121 is a wasteful number, since it uses less digits than its factorization.

2212100102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135281.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2212100102121 its reverse (1212010012122), we get a palindrome (3424110114243).

The spelling of 2212100102121 in words is "two trillion, two hundred twelve billion, one hundred million, one hundred two thousand, one hundred twenty-one".