2112100212122 has 8 divisors (see below), whose sum is σ = 3168258900372. Its totient is φ = 1056013912000.

The previous prime is 2112100212107. The next prime is 2112100212137. The reversal of 2112100212122 is 2212120012112.

It is an interprime number because it is at equal distance from previous prime (2112100212107) and next prime (2112100212137).

It can be written as a sum of positive squares in 2 ways, for example, as 1711463116441 + 400637095681 = 1308229^2 + 632959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2112100212122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18024029 + ... + 18140832.

Almost surely, 2^{2112100212122} is an apocalyptic number.

2112100212122 is a deficient number, since it is larger than the sum of its proper divisors (1056158688250).

2112100212122 is a wasteful number, since it uses less digits than its factorization.

2112100212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36194064.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112100212122 its reverse (2212120012112), we get a palindrome (4324220224234).

The spelling of 2112100212122 in words is "two trillion, one hundred twelve billion, one hundred million, two hundred twelve thousand, one hundred twenty-two".