10221012002020 has 24 divisors (see below), whose sum is σ = 21466948636224. Its totient is φ = 4087867004256.

The previous prime is 10221012001997. The next prime is 10221012002087. The reversal of 10221012002020 is 2020021012201.

It is a happy number.

It is a super-3 number, since 3×10221012002020³ (a number of 40 digits) contains 333 as substring.

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, 33456424 + ... + 33760543.

It is an arithmetic number, because the mean of its divisors is an integer number (894456193176).

Almost surely, 2^{10221012002020} is an apocalyptic number.

10221012002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221012002020 is an abundant number, since it is smaller than the sum of its proper divisors (11245936634204).

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

10221012002020 is a wasteful number, since it uses less digits than its factorization.

10221012002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67224579 (or 67224577 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10221012002020 its reverse (2020021012201), we get a palindrome (12241033014221).

It can be divided in two parts, 1022101 and 2002020, that added together give a square (3024121 = 1739²).

The spelling of 10221012002020 in words is "ten trillion, two hundred twenty-one billion, twelve million, two thousand, twenty".