2101122203130 has 96 divisors (see below), whose sum is σ = 5524449091200. Its totient is φ = 554003318400.

The previous prime is 2101122203099. The next prime is 2101122203183. The reversal of 2101122203130 is 313022211012.

2101122203130 is a `hidden beast` number, since 21 + 0 + 112 + 220 + 313 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6598321 + ... + 6909419.

It is an arithmetic number, because the mean of its divisors is an integer number (57546344700).

Almost surely, 2^{2101122203130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101122203130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2762224545600).

2101122203130 is an abundant number, since it is smaller than the sum of its proper divisors (3423326888070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101122203130 is a wasteful number, since it uses less digits than its factorization.

2101122203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311956 (or 311953 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2101122203130 its reverse (313022211012), we get a palindrome (2414144414142).

The spelling of 2101122203130 in words is "two trillion, one hundred one billion, one hundred twenty-two million, two hundred three thousand, one hundred thirty".