201001020222021 has 16 divisors (see below), whose sum is σ = 268322546778624. Its totient is φ = 133840106903664.

The previous prime is 201001020221893. The next prime is 201001020222043. The reversal of 201001020222021 is 120222020100102.

It is not a de Polignac number, because 201001020222021 - 2⁷ = 201001020221893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001020222071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37844760 + ... + 42827886.

It is an arithmetic number, because the mean of its divisors is an integer number (16770159173664).

Almost surely, 2^{201001020222021} is an apocalyptic number.

It is an amenable number.

201001020222021 is a deficient number, since it is larger than the sum of its proper divisors (67321526556603).

201001020222021 is a wasteful number, since it uses less digits than its factorization.

201001020222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999240.

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

Adding to 201001020222021 its reverse (120222020100102), we get a palindrome (321223040322123).

The spelling of 201001020222021 in words is "two hundred one trillion, one billion, twenty million, two hundred twenty-two thousand, twenty-one".