10110101111220 has 96 divisors (see below), whose sum is σ = 31464438284160. Its totient is φ = 2404689564160.

The previous prime is 10110101111191. The next prime is 10110101111317. The reversal of 10110101111220 is 2211110101101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10110101111196 and 10110101111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144477615 + ... + 144547574.

It is an arithmetic number, because the mean of its divisors is an integer number (327754565460).

Almost surely, 2^{10110101111220} is an apocalyptic number.

10110101111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10110101111220 is an abundant number, since it is smaller than the sum of its proper divisors (21354337172940).

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

10110101111220 is a wasteful number, since it uses less digits than its factorization.

10110101111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289025265 (or 289025263 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10110101111220 its reverse (2211110101101), we get a palindrome (12321211212321).

The spelling of 10110101111220 in words is "ten trillion, one hundred ten billion, one hundred one million, one hundred eleven thousand, two hundred twenty".