202102111201 has 2 divisors, whose sum is σ = 202102111202. Its totient is φ = 202102111200.

The previous prime is 202102111163. The next prime is 202102111217. The reversal of 202102111201 is 102111201202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171686751201 + 30415360000 = 414351^2 + 174400^2 .

It is a cyclic number.

It is not a de Polignac number, because 202102111201 - 2¹³ = 202102103009 is a prime.

It is not a weakly prime, because it can be changed into another prime (202102111241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051055600 + 101051055601.

It is an arithmetic number, because the mean of its divisors is an integer number (101051055601).

Almost surely, 2^202102111201 is an apocalyptic number.

It is an amenable number.

202102111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102111201 is an equidigital number, since it uses as much as digits as its factorization.

202102111201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202102111201 its reverse (102111201202), we get a palindrome (304213312403).

Subtracting from 202102111201 its reverse (102111201202), we obtain a palindrome (99990909999).

It can be divided in two parts, 202 and 102111201, that multiplied together give a palindrome (20626462602).

The spelling of 202102111201 in words is "two hundred two billion, one hundred two million, one hundred eleven thousand, two hundred one".