100102120121220 has 96 divisors (see below), whose sum is σ = 321087656176896. Its totient is φ = 22826136614400.

The previous prime is 100102120121219. The next prime is 100102120121231. The reversal of 100102120121220 is 22121021201001.

100102120121220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100102120121220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282885391 + ... + 283239030.

It is an arithmetic number, because the mean of its divisors is an integer number (3344663085176).

Almost surely, 2^{100102120121220} is an apocalyptic number.

100102120121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100102120121220 is an abundant number, since it is smaller than the sum of its proper divisors (220985536055676).

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

100102120121220 is a wasteful number, since it uses less digits than its factorization.

100102120121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566124861 (or 566124859 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100102120121220 its reverse (22121021201001), we get a palindrome (122223141322221).

The spelling of 100102120121220 in words is "one hundred trillion, one hundred two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twenty".