10020111020120 has 64 divisors (see below), whose sum is σ = 22835763972000. Its totient is φ = 3956544396288.

The previous prime is 10020111020119. The next prime is 10020111020147. The reversal of 10020111020120 is 2102011102001.

It is a congruent number.

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, 113510 + ... + 4478069.

Almost surely, 2^{10020111020120} is an apocalyptic number.

10020111020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020111020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11417881986000).

10020111020120 is an abundant number, since it is smaller than the sum of its proper divisors (12815652951880).

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

10020111020120 is a wasteful number, since it uses less digits than its factorization.

10020111020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592292 (or 4592288 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10020111020120 its reverse (2102011102001), we get a palindrome (12122122122121).

The spelling of 10020111020120 in words is "ten trillion, twenty billion, one hundred eleven million, twenty thousand, one hundred twenty".