2102211212122 has 32 divisors (see below), whose sum is σ = 3858652287360. Its totient is φ = 838423196160.

The previous prime is 2102211212119. The next prime is 2102211212137. The reversal of 2102211212122 is 2212121122012.

It is a super-3 number, since 3×2102211212122³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2102211212122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49601404 + ... + 49643767.

It is an arithmetic number, because the mean of its divisors is an integer number (120582883980).

Almost surely, 2^{2102211212122} is an apocalyptic number.

2102211212122 is a deficient number, since it is larger than the sum of its proper divisors (1756441075238).

2102211212122 is a wasteful number, since it uses less digits than its factorization.

2102211212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99245286.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2102211212122 its reverse (2212121122012), we get a palindrome (4314332334134).

The spelling of 2102211212122 in words is "two trillion, one hundred two billion, two hundred eleven million, two hundred twelve thousand, one hundred twenty-two".