2122012100122 has 8 divisors (see below), whose sum is σ = 3199175603316. Its totient is φ = 1055620232352.

The previous prime is 2122012100107. The next prime is 2122012100141. The reversal of 2122012100122 is 2210012102212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2024618797881 + 97393302241 = 1422891^2 + 312079^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2122012100096 and 2122012100105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692908363 + ... + 2692909150.

Almost surely, 2^{2122012100122} is an apocalyptic number.

2122012100122 is a deficient number, since it is larger than the sum of its proper divisors (1077163503194).

2122012100122 is a wasteful number, since it uses less digits than its factorization.

2122012100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385817712.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122012100122 its reverse (2210012102212), we get a palindrome (4332024202334).

The spelling of 2122012100122 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred thousand, one hundred twenty-two".