100101012102120 has 64 divisors (see below), whose sum is σ = 309990231037440. Its totient is φ = 25832519251200.

The previous prime is 100101012102107. The next prime is 100101012102131. The reversal of 100101012102120 is 21201210101001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100101012102096 and 100101012102105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13454433391 + ... + 13454440830.

It is an arithmetic number, because the mean of its divisors is an integer number (4843597359960).

Almost surely, 2^{100101012102120} is an apocalyptic number.

100101012102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100101012102120 is an abundant number, since it is smaller than the sum of its proper divisors (209889218935320).

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

100101012102120 is a wasteful number, since it uses less digits than its factorization.

100101012102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26908874266 (or 26908874262 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100101012102120 its reverse (21201210101001), we get a palindrome (121302222203121).

The spelling of 100101012102120 in words is "one hundred trillion, one hundred one billion, twelve million, one hundred two thousand, one hundred twenty".