2101442321100 has 72 divisors (see below), whose sum is σ = 6133980056400. Its totient is φ = 555425454080.

The previous prime is 2101442321057. The next prime is 2101442321117. The reversal of 2101442321100 is 11232441012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30960825 + ... + 31028624.

It is an arithmetic number, because the mean of its divisors is an integer number (85194167450).

Almost surely, 2^{2101442321100} is an apocalyptic number.

2101442321100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101442321100 is an abundant number, since it is smaller than the sum of its proper divisors (4032537735300).

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

2101442321100 is a wasteful number, since it uses less digits than its factorization.

2101442321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61989579 (or 61989572 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2101442321100 its reverse (11232441012), we get a palindrome (2112674762112).

The spelling of 2101442321100 in words is "two trillion, one hundred one billion, four hundred forty-two million, three hundred twenty-one thousand, one hundred".