202202111979139 has 2 divisors, whose sum is σ = 202202111979140. Its totient is φ = 202202111979138.

The previous prime is 202202111979083. The next prime is 202202111979209. The reversal of 202202111979139 is 931979111202202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202202111979139 - 2⁴⁵ = 167017739890307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202202111979092 and 202202111979101.

It is not a weakly prime, because it can be changed into another prime (202202111973139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101101055989569 + 101101055989570.

It is an arithmetic number, because the mean of its divisors is an integer number (101101055989570).

Almost surely, 2^{202202111979139} is an apocalyptic number.

202202111979139 is a deficient number, since it is larger than the sum of its proper divisors (1).

202202111979139 is an equidigital number, since it uses as much as digits as its factorization.

202202111979139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 49.

The spelling of 202202111979139 in words is "two hundred two trillion, two hundred two billion, one hundred eleven million, nine hundred seventy-nine thousand, one hundred thirty-nine".