2101122011122 has 8 divisors (see below), whose sum is σ = 3171757431276. Its totient is φ = 1043869534032.

The previous prime is 2101122011099. The next prime is 2101122011141. The reversal of 2101122011122 is 2211102211012.

It can be written as a sum of positive squares in 2 ways, for example, as 1803007103121 + 298114908001 = 1342761^2 + 545999^2 .

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 = 2101122011096 and 2101122011105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345735373 + ... + 3345736000.

Almost surely, 2^{2101122011122} is an apocalyptic number.

2101122011122 is a deficient number, since it is larger than the sum of its proper divisors (1070635420154).

2101122011122 is a wasteful number, since it uses less digits than its factorization.

2101122011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691471532.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2101122011122 its reverse (2211102211012), we get a palindrome (4312224222134).

The spelling of 2101122011122 in words is "two trillion, one hundred one billion, one hundred twenty-two million, eleven thousand, one hundred twenty-two".