121001098986 has 24 divisors (see below), whose sum is σ = 275967419520. Its totient is φ = 38210873256.

The previous prime is 121001098963. The next prime is 121001098987. The reversal of 121001098986 is 689890100121.

It is not an unprimeable number, because it can be changed into a prime (121001098987) 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, 176901850 + ... + 176902533.

It is an arithmetic number, because the mean of its divisors is an integer number (11498642480).

Almost surely, 2^121001098986 is an apocalyptic number.

121001098986 is an abundant number, since it is smaller than the sum of its proper divisors (154966320534).

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

121001098986 is a wasteful number, since it uses less digits than its factorization.

121001098986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353804410 (or 353804407 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 45.

The spelling of 121001098986 in words is "one hundred twenty-one billion, one million, ninety-eight thousand, nine hundred eighty-six".