201034022021 has 4 divisors (see below), whose sum is σ = 229753168032. Its totient is φ = 172314876012.

The previous prime is 201034022017. The next prime is 201034022041. The reversal of 201034022021 is 120220430102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201034022021 - 2² = 201034022017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201034022041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14359572995 + ... + 14359573008.

It is an arithmetic number, because the mean of its divisors is an integer number (57438292008).

Almost surely, 2^201034022021 is an apocalyptic number.

It is an amenable number.

201034022021 is a deficient number, since it is larger than the sum of its proper divisors (28719146011).

201034022021 is an equidigital number, since it uses as much as digits as its factorization.

201034022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28719146010.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 201034022021 its reverse (120220430102), we get a palindrome (321254452123).

The spelling of 201034022021 in words is "two hundred one billion, thirty-four million, twenty-two thousand, twenty-one".