2122420321100 has 36 divisors (see below), whose sum is σ = 4605793767624. Its totient is φ = 848942014080.

The previous prime is 2122420321093. The next prime is 2122420321121. The reversal of 2122420321100 is 11230242212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3122027 + ... + 3740573.

Almost surely, 2^{2122420321100} is an apocalyptic number.

2122420321100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122420321100 is an abundant number, since it is smaller than the sum of its proper divisors (2483373446524).

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

2122420321100 is a wasteful number, since it uses less digits than its factorization.

2122420321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652874 (or 652867 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2122420321100 its reverse (11230242212), we get a palindrome (2133650563312).

The spelling of 2122420321100 in words is "two trillion, one hundred twenty-two billion, four hundred twenty million, three hundred twenty-one thousand, one hundred".