121150223164 has 12 divisors (see below), whose sum is σ = 212052328488. Its totient is φ = 60563843600.

The previous prime is 121150223153. The next prime is 121150223269. The reversal of 121150223164 is 461322051121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2792782 + ... + 2835829.

It is an arithmetic number, because the mean of its divisors is an integer number (17671027374).

Almost surely, 2^121150223164 is an apocalyptic number.

It is an amenable number.

121150223164 is a deficient number, since it is larger than the sum of its proper divisors (90902105324).

121150223164 is a wasteful number, since it uses less digits than its factorization.

121150223164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633996 (or 5633994 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 121150223164 its reverse (461322051121), we get a palindrome (582472274285).

The spelling of 121150223164 in words is "one hundred twenty-one billion, one hundred fifty million, two hundred twenty-three thousand, one hundred sixty-four".