121102361399 has 16 divisors (see below), whose sum is σ = 122073177600. Its totient is φ = 120136566144.

The previous prime is 121102361339. The next prime is 121102361411. The reversal of 121102361399 is 993163201121.

It is a cyclic number.

It is not a de Polignac number, because 121102361399 - 2¹² = 121102357303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102361309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123952799 + ... + 123953775.

It is an arithmetic number, because the mean of its divisors is an integer number (7629573600).

Almost surely, 2^121102361399 is an apocalyptic number.

121102361399 is a deficient number, since it is larger than the sum of its proper divisors (970816201).

121102361399 is an equidigital number, since it uses as much as digits as its factorization.

121102361399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 121102361399 in words is "one hundred twenty-one billion, one hundred two million, three hundred sixty-one thousand, three hundred ninety-nine".