202122020201 has 16 divisors (see below), whose sum is σ = 207436508928. Its totient is φ = 196873545600.

The previous prime is 202122020153. The next prime is 202122020203. The reversal of 202122020201 is 102020221202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202122020201 is a prime.

It is a super-2 number, since 2×202122020201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202122020203) 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, 23969456 + ... + 23977886.

It is an arithmetic number, because the mean of its divisors is an integer number (12964781808).

Almost surely, 2^202122020201 is an apocalyptic number.

It is an amenable number.

202122020201 is a deficient number, since it is larger than the sum of its proper divisors (5314488727).

202122020201 is a wasteful number, since it uses less digits than its factorization.

202122020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12272.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202122020201 its reverse (102020221202), we get a palindrome (304142241403).

The spelling of 202122020201 in words is "two hundred two billion, one hundred twenty-two million, twenty thousand, two hundred one".