10010121222020 has 24 divisors (see below), whose sum is σ = 21023529735768. Its totient is φ = 4003615123200.

The previous prime is 10010121221999. The next prime is 10010121222037. The reversal of 10010121222020 is 2022212101001.

It can be written as a sum of positive squares in 4 ways, for example, as 5655378634816 + 4354742587204 = 2378104^2 + 2086802^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10010121221986 and 10010121222004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26895911 + ... + 27265550.

It is an arithmetic number, because the mean of its divisors is an integer number (875980405657).

Almost surely, 2^{10010121222020} is an apocalyptic number.

10010121222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010121222020 is an abundant number, since it is smaller than the sum of its proper divisors (11013408513748).

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

10010121222020 is a wasteful number, since it uses less digits than its factorization.

10010121222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54170711 (or 54170709 counting only the distinct ones).

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

Adding to 10010121222020 its reverse (2022212101001), we get a palindrome (12032333323021).

The spelling of 10010121222020 in words is "ten trillion, ten billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty".