1012100110220 has 12 divisors (see below), whose sum is σ = 2125410231504. Its totient is φ = 404840044080.

The previous prime is 1012100110163. The next prime is 1012100110247. The reversal of 1012100110220 is 220110012101.

It is a super-2 number, since 2×1012100110220² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25302502736 + ... + 25302502775.

It is an arithmetic number, because the mean of its divisors is an integer number (177117519292).

Almost surely, 2^{1012100110220} is an apocalyptic number.

1012100110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012100110220 is an abundant number, since it is smaller than the sum of its proper divisors (1113310121284).

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

1012100110220 is a wasteful number, since it uses less digits than its factorization.

1012100110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50605005520 (or 50605005518 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1012100110220 its reverse (220110012101), we get a palindrome (1232210122321).

The spelling of 1012100110220 in words is "one trillion, twelve billion, one hundred million, one hundred ten thousand, two hundred twenty".