10101000120120 has 384 divisors, whose sum is σ = 41667698073600. Its totient is φ = 2131199755776.

The previous prime is 10101000120097. The next prime is 10101000120121. The reversal of 10101000120120 is 2102100010101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101000120121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2675352 + ... + 5230631.

It is an arithmetic number, because the mean of its divisors is an integer number (108509630400).

Almost surely, 2^{10101000120120} is an apocalyptic number.

10101000120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101000120120 is an abundant number, since it is smaller than the sum of its proper divisors (31566697953480).

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

10101000120120 is a wasteful number, since it uses less digits than its factorization.

10101000120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7906036 (or 7906013 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10101000120120 its reverse (2102100010101), we get a palindrome (12203100130221).

The spelling of 10101000120120 in words is "ten trillion, one hundred one billion, one hundred twenty thousand, one hundred twenty".