100021020444130 has 64 divisors (see below), whose sum is σ = 205775674007040. Its totient is φ = 34775806557184.

The previous prime is 100021020444077. The next prime is 100021020444133. The reversal of 100021020444130 is 31444020120001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100021020444133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440935294 + ... + 441162073.

It is an arithmetic number, because the mean of its divisors is an integer number (3215244906360).

Almost surely, 2^{100021020444130} is an apocalyptic number.

100021020444130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021020444130 is an abundant number, since it is smaller than the sum of its proper divisors (105754653562910).

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

100021020444130 is a wasteful number, since it uses less digits than its factorization.

100021020444130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882097443.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 100021020444130 its reverse (31444020120001), we get a palindrome (131465040564131).

The spelling of 100021020444130 in words is "one hundred trillion, twenty-one billion, twenty million, four hundred forty-four thousand, one hundred thirty".