136221933101 has 2 divisors, whose sum is σ = 136221933102. Its totient is φ = 136221933100.

The previous prime is 136221933061. The next prime is 136221933137. The reversal of 136221933101 is 101339122631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117735451876 + 18486481225 = 343126^2 + 135965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136221933101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136221933161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68110966550 + 68110966551.

It is an arithmetic number, because the mean of its divisors is an integer number (68110966551).

Almost surely, 2^136221933101 is an apocalyptic number.

It is an amenable number.

136221933101 is a deficient number, since it is larger than the sum of its proper divisors (1).

136221933101 is an equidigital number, since it uses as much as digits as its factorization.

136221933101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 136221933101 in words is "one hundred thirty-six billion, two hundred twenty-one million, nine hundred thirty-three thousand, one hundred one".