1211021100092 has 6 divisors (see below), whose sum is σ = 2119286925168. Its totient is φ = 605510550044.

The previous prime is 1211021100067. The next prime is 1211021100109. The reversal of 1211021100092 is 2900011201121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151377637508 + ... + 151377637515.

It is an arithmetic number, because the mean of its divisors is an integer number (353214487528).

Almost surely, 2^{1211021100092} is an apocalyptic number.

It is an amenable number.

1211021100092 is a deficient number, since it is larger than the sum of its proper divisors (908265825076).

1211021100092 is a wasteful number, since it uses less digits than its factorization.

1211021100092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302755275027 (or 302755275025 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1211021100092 in words is "one trillion, two hundred eleven billion, twenty-one million, one hundred thousand, ninety-two".