2101100031030 has 192 divisors, whose sum is σ = 6891440871168. Its totient is φ = 403008157440.

The previous prime is 2101100031029. The next prime is 2101100031077. The reversal of 2101100031030 is 301300011012.

It is a junction number, because it is equal to n+sod(n) for n = 2101100030997 and 2101100031015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4787412 + ... + 5207831.

It is an arithmetic number, because the mean of its divisors is an integer number (35892921204).

Almost surely, 2^{2101100031030} is an apocalyptic number.

2101100031030 is an abundant number, since it is smaller than the sum of its proper divisors (4790340840138).

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

2101100031030 is a wasteful number, since it uses less digits than its factorization.

2101100031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9995291 (or 9995284 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 2101100031030 its reverse (301300011012), we get a palindrome (2402400042042).

The spelling of 2101100031030 in words is "two trillion, one hundred one billion, one hundred million, thirty-one thousand, thirty".