10111302090 has 160 divisors (see below), whose sum is σ = 28461058560. Its totient is φ = 2570870016.

The previous prime is 10111302077. The next prime is 10111302101. The reversal of 10111302090 is 9020311101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7619007 + ... + 7620333.

It is an arithmetic number, because the mean of its divisors is an integer number (177881616).

Almost surely, 2^10111302090 is an apocalyptic number.

10111302090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111302090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14230529280).

10111302090 is an abundant number, since it is smaller than the sum of its proper divisors (18349756470).

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

10111302090 is a wasteful number, since it uses less digits than its factorization.

10111302090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 10111302090 its reverse (9020311101), we get a palindrome (19131613191).

The spelling of 10111302090 in words is "ten billion, one hundred eleven million, three hundred two thousand, ninety".