101111009485790 has 32 divisors (see below), whose sum is σ = 183264940596960. Its totient is φ = 40163809555584.

The previous prime is 101111009485789. The next prime is 101111009485813. The reversal of 101111009485790 is 97584900111101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32533529 + ... + 35505668.

It is an arithmetic number, because the mean of its divisors is an integer number (5727029393655).

Almost surely, 2^{101111009485790} is an apocalyptic number.

101111009485790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111009485790 is a deficient number, since it is larger than the sum of its proper divisors (82153931111170).

101111009485790 is a wasteful number, since it uses less digits than its factorization.

101111009485790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68040236.

The product of its (nonzero) digits is 90720, while the sum is 47.

Adding to 101111009485790 its reverse (97584900111101), we get a palindrome (198695909596891).

The spelling of 101111009485790 in words is "one hundred one trillion, one hundred eleven billion, nine million, four hundred eighty-five thousand, seven hundred ninety".