999011111001102 has 48 divisors (see below), whose sum is σ = 2241620753561280. Its totient is φ = 321167885438400.

The previous prime is 999011111001061. The next prime is 999011111001139. The reversal of 999011111001102 is 201100111110999.

It is a super-2 number, since 2×999011111001102² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1049916549 + ... + 1050867632.

It is an arithmetic number, because the mean of its divisors is an integer number (46700432365860).

Almost surely, 2^{999011111001102} is an apocalyptic number.

999011111001102 is an abundant number, since it is smaller than the sum of its proper divisors (1242609642560178).

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

999011111001102 is a wasteful number, since it uses less digits than its factorization.

999011111001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100785129 (or 2100785126 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 36.

The spelling of 999011111001102 in words is "nine hundred ninety-nine trillion, eleven billion, one hundred eleven million, one thousand, one hundred two".