10111111101010 has 32 divisors (see below), whose sum is σ = 18428043879360. Its totient is φ = 3994006498752.

The previous prime is 10111111100989. The next prime is 10111111101089. The reversal of 10111111101010 is 1010111111101.

It is a happy number.

10111111101010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 14565600 + ... + 15243979.

It is an arithmetic number, because the mean of its divisors is an integer number (575876371230).

Almost surely, 2^{10111111101010} is an apocalyptic number.

10111111101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111111101010 is a deficient number, since it is larger than the sum of its proper divisors (8316932778350).

10111111101010 is a wasteful number, since it uses less digits than its factorization.

10111111101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29810010.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 10111111101010 its reverse (1010111111101), we get a palindrome (11121222212111).

The spelling of 10111111101010 in words is "ten trillion, one hundred eleven billion, one hundred eleven million, one hundred one thousand, ten".