2102122122122 has 32 divisors (see below), whose sum is σ = 3448481541120. Its totient is φ = 953111162880.

The previous prime is 2102122122103. The next prime is 2102122122179. The reversal of 2102122122122 is 2212212212012.

It is a junction number, because it is equal to n+sod(n) for n = 2102122122094 and 2102122122103.

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, 16400279 + ... + 16527957.

It is an arithmetic number, because the mean of its divisors is an integer number (107765048160).

Almost surely, 2^{2102122122122} is an apocalyptic number.

2102122122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102122122122 is a deficient number, since it is larger than the sum of its proper divisors (1346359418998).

2102122122122 is a wasteful number, since it uses less digits than its factorization.

2102122122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129566.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2102122122122 its reverse (2212212212012), we get a palindrome (4314334334134).

The spelling of 2102122122122 in words is "two trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".