220103111021280 has 48 divisors (see below), whose sum is σ = 693324799718544. Its totient is φ = 58694162938880.

The previous prime is 220103111021279. The next prime is 220103111021281. The reversal of 220103111021280 is 82120111301022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220103111021279) and next prime (220103111021281).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×220103111021280² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 220103111021280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220103111021281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229274073501 + ... + 229274074460.

It is an arithmetic number, because the mean of its divisors is an integer number (14444266660803).

Almost surely, 2^{220103111021280} is an apocalyptic number.

220103111021280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220103111021280 is an abundant number, since it is smaller than the sum of its proper divisors (473221688697264).

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

220103111021280 is a wasteful number, since it uses less digits than its factorization.

220103111021280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458548147979 (or 458548147971 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The spelling of 220103111021280 in words is "two hundred twenty trillion, one hundred three billion, one hundred eleven million, twenty-one thousand, two hundred eighty".