101222011110120 has 64 divisors (see below), whose sum is σ = 303667304123520. Its totient is φ = 26992423336704.

The previous prime is 101222011110097. The next prime is 101222011110127. The reversal of 101222011110120 is 21011110222101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101222011110120.

It is not an unprimeable number, because it can be changed into a prime (101222011110127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29297862 + ... + 32570058.

It is an arithmetic number, because the mean of its divisors is an integer number (4744801626930).

Almost surely, 2^{101222011110120} is an apocalyptic number.

101222011110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222011110120 is an abundant number, since it is smaller than the sum of its proper divisors (202445293013400).

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

101222011110120 is a wasteful number, since it uses less digits than its factorization.

101222011110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529994 (or 3529990 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101222011110120 its reverse (21011110222101), we get a palindrome (122233121332221).

The spelling of 101222011110120 in words is "one hundred one trillion, two hundred twenty-two billion, eleven million, one hundred ten thousand, one hundred twenty".