100102012120220 has 96 divisors (see below), whose sum is σ = 229627657002240. Its totient is φ = 36352649456640.

The previous prime is 100102012120189. The next prime is 100102012120241. The reversal of 100102012120220 is 22021210201001.

It is a junction number, because it is equal to n+sod(n) for n = 100102012120195 and 100102012120204.

It is a congruent number.

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, 810172487 + ... + 810296033.

It is an arithmetic number, because the mean of its divisors is an integer number (2391954760440).

Almost surely, 2^{100102012120220} is an apocalyptic number.

100102012120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100102012120220 is an abundant number, since it is smaller than the sum of its proper divisors (129525644882020).

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

100102012120220 is a wasteful number, since it uses less digits than its factorization.

100102012120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128403 (or 128401 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100102012120220 its reverse (22021210201001), we get a palindrome (122123222321221).

The spelling of 100102012120220 in words is "one hundred trillion, one hundred two billion, twelve million, one hundred twenty thousand, two hundred twenty".