121040101552 has 20 divisors (see below), whose sum is σ = 240853446496. Its totient is φ = 58884373440.

The previous prime is 121040101543. The next prime is 121040101579. The reversal of 121040101552 is 255101040121.

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, 102229224 + ... + 102230407.

Almost surely, 2^121040101552 is an apocalyptic number.

It is an amenable number.

121040101552 is a deficient number, since it is larger than the sum of its proper divisors (119813344944).

121040101552 is a wasteful number, since it uses less digits than its factorization.

121040101552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204459676 (or 204459670 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 121040101552 its reverse (255101040121), we get a palindrome (376141141673).

The spelling of 121040101552 in words is "one hundred twenty-one billion, forty million, one hundred one thousand, five hundred fifty-two".