121062954881 has 4 divisors (see below), whose sum is σ = 132068678064. Its totient is φ = 110057231700.

The previous prime is 121062954871. The next prime is 121062954907. The reversal of 121062954881 is 188459260121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121062954881 is a prime.

It is a super-4 number, since 4×121062954881⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121062954841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5502861575 + ... + 5502861596.

It is an arithmetic number, because the mean of its divisors is an integer number (33017169516).

Almost surely, 2^121062954881 is an apocalyptic number.

121062954881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121062954881 is a deficient number, since it is larger than the sum of its proper divisors (11005723183).

121062954881 is a wasteful number, since it uses less digits than its factorization.

121062954881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11005723182.

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 121062954881 in words is "one hundred twenty-one billion, sixty-two million, nine hundred fifty-four thousand, eight hundred eighty-one".