121010312212099 has 2 divisors, whose sum is σ = 121010312212100. Its totient is φ = 121010312212098.

The previous prime is 121010312212087. The next prime is 121010312212123. The reversal of 121010312212099 is 990212213010121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121010312212099 - 2⁹ = 121010312211587 is a prime.

It is not a weakly prime, because it can be changed into another prime (121010312212199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505156106049 + 60505156106050.

It is an arithmetic number, because the mean of its divisors is an integer number (60505156106050).

Almost surely, 2^{121010312212099} is an apocalyptic number.

121010312212099 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010312212099 is an equidigital number, since it uses as much as digits as its factorization.

121010312212099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 121010312212099 in words is "one hundred twenty-one trillion, ten billion, three hundred twelve million, two hundred twelve thousand, ninety-nine".