121002201092 has 6 divisors (see below), whose sum is σ = 211753851918. Its totient is φ = 60501100544.

The previous prime is 121002201059. The next prime is 121002201137. The reversal of 121002201092 is 290102200121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 120981534976 + 20666116 = 347824^2 + 4546^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15125275133 + ... + 15125275140.

It is an arithmetic number, because the mean of its divisors is an integer number (35292308653).

Almost surely, 2^121002201092 is an apocalyptic number.

It is an amenable number.

121002201092 is a deficient number, since it is larger than the sum of its proper divisors (90751650826).

121002201092 is a wasteful number, since it uses less digits than its factorization.

121002201092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30250550277 (or 30250550275 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 121002201092 in words is "one hundred twenty-one billion, two million, two hundred one thousand, ninety-two".