10110001021220 has 12 divisors (see below), whose sum is σ = 21231002144604. Its totient is φ = 4044000408480.

The previous prime is 10110001021207. The next prime is 10110001021243. The reversal of 10110001021220 is 2212010001101.

It can be written as a sum of positive squares in 2 ways, for example, as 6287225264356 + 3822775756864 = 2507434^2 + 1955192^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252750025511 + ... + 252750025550.

It is an arithmetic number, because the mean of its divisors is an integer number (1769250178717).

Almost surely, 2^{10110001021220} is an apocalyptic number.

10110001021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10110001021220 is an abundant number, since it is smaller than the sum of its proper divisors (11121001123384).

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

10110001021220 is a wasteful number, since it uses less digits than its factorization.

10110001021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505500051070 (or 505500051068 counting only the distinct ones).

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

Adding to 10110001021220 its reverse (2212010001101), we get a palindrome (12322011022321).

The spelling of 10110001021220 in words is "ten trillion, one hundred ten billion, one million, twenty-one thousand, two hundred twenty".