2101231232122 has 16 divisors (see below), whose sum is σ = 3438412186752. Its totient is φ = 955095714720.

The previous prime is 2101231232083. The next prime is 2101231232153. The reversal of 2101231232122 is 2212321321012.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2101231232093 and 2101231232102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141518 + ... + 2964550.

It is an arithmetic number, because the mean of its divisors is an integer number (214900761672).

Almost surely, 2^{2101231232122} is an apocalyptic number.

2101231232122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101231232122 is a deficient number, since it is larger than the sum of its proper divisors (1337180954630).

2101231232122 is a wasteful number, since it uses less digits than its factorization.

2101231232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939093.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2101231232122 its reverse (2212321321012), we get a palindrome (4313552553134).

The spelling of 2101231232122 in words is "two trillion, one hundred one billion, two hundred thirty-one million, two hundred thirty-two thousand, one hundred twenty-two".