10111210012020 has 96 divisors (see below), whose sum is σ = 30918612453120. Its totient is φ = 2453858104320.

The previous prime is 10111210011997. The next prime is 10111210012031. The reversal of 10111210012020 is 2021001211101.

It is a super-4 number, since 4×10111210012020⁴ (a number of 53 digits) contains 4444 as substring.

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 = 10111210011987 and 10111210012005.

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, 91233985 + ... + 91344744.

It is an arithmetic number, because the mean of its divisors is an integer number (322068879720).

Almost surely, 2^{10111210012020} is an apocalyptic number.

10111210012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111210012020 is an abundant number, since it is smaller than the sum of its proper divisors (20807402441100).

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

10111210012020 is a wasteful number, since it uses less digits than its factorization.

10111210012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182578825 (or 182578823 counting only the distinct ones).

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

Adding to 10111210012020 its reverse (2021001211101), we get a palindrome (12132211223121).

The spelling of 10111210012020 in words is "ten trillion, one hundred eleven billion, two hundred ten million, twelve thousand, twenty".