121001021092 has 24 divisors (see below), whose sum is σ = 242103052800. Its totient is φ = 51835935360.

The previous prime is 121001021069. The next prime is 121001021101. The reversal of 121001021092 is 290120100121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833509 + ... + 967852.

It is an arithmetic number, because the mean of its divisors is an integer number (10087627200).

Almost surely, 2^121001021092 is an apocalyptic number.

It is an amenable number.

121001021092 is an abundant number, since it is smaller than the sum of its proper divisors (121102031708).

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

121001021092 is a wasteful number, since it uses less digits than its factorization.

121001021092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803771 (or 1803769 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 121001021092 in words is "one hundred twenty-one billion, one million, twenty-one thousand, ninety-two".