2021122100030 has 96 divisors (see below), whose sum is σ = 4266943984800. Its totient is φ = 686733189120.

The previous prime is 2021122100009. The next prime is 2021122100077. The reversal of 2021122100030 is 300012211202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021122099978 and 2021122100014.

It is a congruent number.

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, 1076126 + ... + 2280414.

It is an arithmetic number, because the mean of its divisors is an integer number (44447333175).

Almost surely, 2^{2021122100030} is an apocalyptic number.

2021122100030 is an abundant number, since it is smaller than the sum of its proper divisors (2245821884770).

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

2021122100030 is a wasteful number, since it uses less digits than its factorization.

2021122100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204410 (or 1204399 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2021122100030 its reverse (300012211202), we get a palindrome (2321134311232).

The spelling of 2021122100030 in words is "two trillion, twenty-one billion, one hundred twenty-two million, one hundred thousand, thirty".