121010221201139 has 2 divisors, whose sum is σ = 121010221201140. Its totient is φ = 121010221201138.

The previous prime is 121010221201069. The next prime is 121010221201151. The reversal of 121010221201139 is 931102122010121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121010221201139 - 2²⁸ = 121009952765683 is a prime.

It is not a weakly prime, because it can be changed into another prime (121010221201939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505110600569 + 60505110600570.

It is an arithmetic number, because the mean of its divisors is an integer number (60505110600570).

Almost surely, 2^{121010221201139} is an apocalyptic number.

121010221201139 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010221201139 is an equidigital number, since it uses as much as digits as its factorization.

121010221201139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 121010221201139 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, two hundred one thousand, one hundred thirty-nine".