2110123212122 has 4 divisors (see below), whose sum is σ = 3165184818186. Its totient is φ = 1055061606060.

The previous prime is 2110123212101. The next prime is 2110123212191. The reversal of 2110123212122 is 2212123210112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1540972166881 + 569151045241 = 1241359^2 + 754421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2110123212094 and 2110123212103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527530803029 + ... + 527530803032.

Almost surely, 2^{2110123212122} is an apocalyptic number.

2110123212122 is a deficient number, since it is larger than the sum of its proper divisors (1055061606064).

2110123212122 is a wasteful number, since it uses less digits than its factorization.

2110123212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055061606063.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2110123212122 its reverse (2212123210112), we get a palindrome (4322246422234).

The spelling of 2110123212122 in words is "two trillion, one hundred ten billion, one hundred twenty-three million, two hundred twelve thousand, one hundred twenty-two".