202221111210001 has 16 divisors (see below), whose sum is σ = 220370027915520. Its totient is φ = 184450035499200.

The previous prime is 202221111209977. The next prime is 202221111210023. The reversal of 202221111210001 is 100012111122202.

It is a cyclic number.

It is not a de Polignac number, because 202221111210001 - 2⁴¹ = 200022087954449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202221111210091) 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, 152435541 + ... + 153756418.

It is an arithmetic number, because the mean of its divisors is an integer number (13773126744720).

Almost surely, 2^{202221111210001} is an apocalyptic number.

It is an amenable number.

202221111210001 is a deficient number, since it is larger than the sum of its proper divisors (18148916705519).

202221111210001 is a wasteful number, since it uses less digits than its factorization.

202221111210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306192576.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202221111210001 its reverse (100012111122202), we get a palindrome (302233222332203).

The spelling of 202221111210001 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred ten thousand, one".