121122020986 has 8 divisors (see below), whose sum is σ = 184394718720. Its totient is φ = 59657114748.

The previous prime is 121122020983. The next prime is 121122020993. The reversal of 121122020986 is 689020221121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121122020983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451947706 + ... + 451947973.

It is an arithmetic number, because the mean of its divisors is an integer number (23049339840).

Almost surely, 2^121122020986 is an apocalyptic number.

121122020986 is a deficient number, since it is larger than the sum of its proper divisors (63272697734).

121122020986 is an equidigital number, since it uses as much as digits as its factorization.

121122020986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903895748.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 121122020986 in words is "one hundred twenty-one billion, one hundred twenty-two million, twenty thousand, nine hundred eighty-six".