10120021012220 has 48 divisors (see below), whose sum is σ = 25716759284160. Its totient is φ = 3265620225024.

The previous prime is 10120021012219. The next prime is 10120021012247. The reversal of 10120021012220 is 2221012002101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10120021012195 and 10120021012204.

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, 2126052455 + ... + 2126057214.

It is an arithmetic number, because the mean of its divisors is an integer number (535765818420).

Almost surely, 2^{10120021012220} is an apocalyptic number.

10120021012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120021012220 is an abundant number, since it is smaller than the sum of its proper divisors (15596738271940).

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

10120021012220 is a wasteful number, since it uses less digits than its factorization.

10120021012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252109702 (or 4252109700 counting only the distinct ones).

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

Adding to 10120021012220 its reverse (2221012002101), we get a palindrome (12341033014321).

The spelling of 10120021012220 in words is "ten trillion, one hundred twenty billion, twenty-one million, twelve thousand, two hundred twenty".