121120102069 has 2 divisors, whose sum is σ = 121120102070. Its totient is φ = 121120102068.

The previous prime is 121120102067. The next prime is 121120102087. The reversal of 121120102069 is 960201021121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99234450225 + 21885651844 = 315015^2 + 147938^2 .

It is a cyclic number.

It is not a de Polignac number, because 121120102069 - 2¹ = 121120102067 is a prime.

It is a super-2 number, since 2×121120102069² (a number of 23 digits) contains 22 as substring.

Together with 121120102067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121120102067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560051034 + 60560051035.

It is an arithmetic number, because the mean of its divisors is an integer number (60560051035).

Almost surely, 2^121120102069 is an apocalyptic number.

It is an amenable number.

121120102069 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120102069 is an equidigital number, since it uses as much as digits as its factorization.

121120102069 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 25.

The spelling of 121120102069 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred two thousand, sixty-nine".