10111000010220 has 72 divisors (see below), whose sum is σ = 31805960541264. Its totient is φ = 2696266668096.

The previous prime is 10111000010213. The next prime is 10111000010233. The reversal of 10111000010220 is 2201000011101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1040221479 + ... + 1040231198.

It is an arithmetic number, because the mean of its divisors is an integer number (441749451962).

Almost surely, 2^{10111000010220} is an apocalyptic number.

10111000010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111000010220 is an abundant number, since it is smaller than the sum of its proper divisors (21694960531044).

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

10111000010220 is a wasteful number, since it uses less digits than its factorization.

10111000010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080452701 (or 2080452687 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10111000010220 its reverse (2201000011101), we get a palindrome (12312000021321).

The spelling of 10111000010220 in words is "ten trillion, one hundred eleven billion, ten thousand, two hundred twenty".