121100863835476 has 36 divisors (see below), whose sum is σ = 248920222238688. Its totient is φ = 51396483117168.

The previous prime is 121100863835437. The next prime is 121100863835477. The reversal of 121100863835476 is 674538368001121.

It is a super-2 number, since 2×121100863835476² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100863835477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2999307726 + ... + 2999348101.

Almost surely, 2^{121100863835476} is an apocalyptic number.

It is an amenable number.

121100863835476 is an abundant number, since it is smaller than the sum of its proper divisors (127819358403212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121100863835476 is a wasteful number, since it uses less digits than its factorization.

121100863835476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998655948 (or 5998655939 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 121100863835476 in words is "one hundred twenty-one trillion, one hundred billion, eight hundred sixty-three million, eight hundred thirty-five thousand, four hundred seventy-six".