121553152022 has 4 divisors (see below), whose sum is σ = 182329728036. Its totient is φ = 60776576010.

The previous prime is 121553152013. The next prime is 121553152033. The reversal of 121553152022 is 220251355121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30388288004 + ... + 30388288007.

It is an arithmetic number, because the mean of its divisors is an integer number (45582432009).

Almost surely, 2^121553152022 is an apocalyptic number.

121553152022 is a deficient number, since it is larger than the sum of its proper divisors (60776576014).

121553152022 is an equidigital number, since it uses as much as digits as its factorization.

121553152022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60776576013.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 121553152022 in words is "one hundred twenty-one billion, five hundred fifty-three million, one hundred fifty-two thousand, twenty-two".