201002220120021 has 8 divisors (see below), whose sum is σ = 268368584938080. Its totient is φ = 133818667690992.

The previous prime is 201002220119923. The next prime is 201002220120041. The reversal of 201002220120021 is 120021022200102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201002220120021 - 2⁹ = 201002220119509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002220120041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45703094691 + ... + 45703099088.

It is an arithmetic number, because the mean of its divisors is an integer number (33546073117260).

Almost surely, 2^{201002220120021} is an apocalyptic number.

It is an amenable number.

201002220120021 is a deficient number, since it is larger than the sum of its proper divisors (67366364818059).

201002220120021 is an equidigital number, since it uses as much as digits as its factorization.

201002220120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91406194515.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201002220120021 its reverse (120021022200102), we get a palindrome (321023242320123).

The spelling of 201002220120021 in words is "two hundred one trillion, two billion, two hundred twenty million, one hundred twenty thousand, twenty-one".