10111000221010 has 32 divisors (see below), whose sum is σ = 19603153593072. Its totient is φ = 3732650760960.

The previous prime is 10111000220987. The next prime is 10111000221053. The reversal of 10111000221010 is 1012200011101.

It can be written as a sum of positive squares in 8 ways, for example, as 7594979298201 + 2516020922809 = 2755899^2 + 1586197^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5923989 + ... + 7437448.

Almost surely, 2^{10111000221010} is an apocalyptic number.

10111000221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111000221010 is a deficient number, since it is larger than the sum of its proper divisors (9492153372062).

10111000221010 is a wasteful number, since it uses less digits than its factorization.

10111000221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13367278.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10111000221010 its reverse (1012200011101), we get a palindrome (11123200232111).

The spelling of 10111000221010 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one thousand, ten".