121121010937 has 2 divisors, whose sum is σ = 121121010938. Its totient is φ = 121121010936.

The previous prime is 121121010917. The next prime is 121121010943. The reversal of 121121010937 is 739010121121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95051356416 + 26069654521 = 308304^2 + 161461^2 .

It is an emirp because it is prime and its reverse (739010121121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121121010937 - 2⁷ = 121121010809 is a prime.

It is not a weakly prime, because it can be changed into another prime (121121010917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560505468 + 60560505469.

It is an arithmetic number, because the mean of its divisors is an integer number (60560505469).

Almost surely, 2^121121010937 is an apocalyptic number.

It is an amenable number.

121121010937 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121010937 is an equidigital number, since it uses as much as digits as its factorization.

121121010937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 28.

The spelling of 121121010937 in words is "one hundred twenty-one billion, one hundred twenty-one million, ten thousand, nine hundred thirty-seven".