10011200123220 has 24 divisors (see below), whose sum is σ = 28031360345184. Its totient is φ = 2669653366176.

The previous prime is 10011200123173. The next prime is 10011200123233. The reversal of 10011200123220 is 2232100211001.

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 10011200123220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83426667634 + ... + 83426667753.

It is an arithmetic number, because the mean of its divisors is an integer number (1167973347716).

Almost surely, 2^{10011200123220} is an apocalyptic number.

10011200123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011200123220 is an abundant number, since it is smaller than the sum of its proper divisors (18020160221964).

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

10011200123220 is a wasteful number, since it uses less digits than its factorization.

10011200123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166853335399 (or 166853335397 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10011200123220 its reverse (2232100211001), we get a palindrome (12243300334221).

The spelling of 10011200123220 in words is "ten trillion, eleven billion, two hundred million, one hundred twenty-three thousand, two hundred twenty".