202122201139 has 2 divisors, whose sum is σ = 202122201140. Its totient is φ = 202122201138.

The previous prime is 202122201119. The next prime is 202122201227. The reversal of 202122201139 is 931102221202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202122201139 - 2¹³ = 202122192947 is a prime.

It is not a weakly prime, because it can be changed into another prime (202122201119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101061100569 + 101061100570.

It is an arithmetic number, because the mean of its divisors is an integer number (101061100570).

Almost surely, 2^202122201139 is an apocalyptic number.

202122201139 is a deficient number, since it is larger than the sum of its proper divisors (1).

202122201139 is an equidigital number, since it uses as much as digits as its factorization.

202122201139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 202122201139 in words is "two hundred two billion, one hundred twenty-two million, two hundred one thousand, one hundred thirty-nine".