121052946799 has 4 divisors (see below), whose sum is σ = 123104691720. Its totient is φ = 119001201880.

The previous prime is 121052946797. The next prime is 121052946841. The reversal of 121052946799 is 997649250121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997649250121 = 53 ⋅18823570757.

It is a cyclic number.

It is not a de Polignac number, because 121052946799 - 2¹ = 121052946797 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 (121052946797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025872372 + ... + 1025872489.

It is an arithmetic number, because the mean of its divisors is an integer number (30776172930).

Almost surely, 2^121052946799 is an apocalyptic number.

121052946799 is a deficient number, since it is larger than the sum of its proper divisors (2051744921).

121052946799 is an equidigital number, since it uses as much as digits as its factorization.

121052946799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051744920.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 121052946799 in words is "one hundred twenty-one billion, fifty-two million, nine hundred forty-six thousand, seven hundred ninety-nine".