2991102011992 has 64 divisors (see below), whose sum is σ = 6025586941440. Its totient is φ = 1386892147200.

The previous prime is 2991102011959. The next prime is 2991102011999.

2991102011992 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2991102011992² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991102011999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15615117 + ... + 15805507.

It is an arithmetic number, because the mean of its divisors is an integer number (94149795960).

Almost surely, 2^{2991102011992} is an apocalyptic number.

It is an amenable number.

2991102011992 is an abundant number, since it is smaller than the sum of its proper divisors (3034484929448).

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

2991102011992 is a wasteful number, since it uses less digits than its factorization.

2991102011992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192112 (or 192108 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 46.

The spelling of 2991102011992 in words is "two trillion, nine hundred ninety-one billion, one hundred two million, eleven thousand, nine hundred ninety-two".