2011101021988 has 24 divisors (see below), whose sum is σ = 3573334319072. Its totient is φ = 990159945984.

The previous prime is 2011101021973. The next prime is 2011101022097. The reversal of 2011101021988 is 8891201011102.

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, 752070 + ... + 2141917.

Almost surely, 2^{2011101021988} is an apocalyptic number.

It is an amenable number.

2011101021988 is a deficient number, since it is larger than the sum of its proper divisors (1562233297084).

2011101021988 is a wasteful number, since it uses less digits than its factorization.

2011101021988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896651 (or 2896649 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 34.

The spelling of 2011101021988 in words is "two trillion, eleven billion, one hundred one million, twenty-one thousand, nine hundred eighty-eight".