2231001301220 has 48 divisors (see below), whose sum is σ = 4982942458368. Its totient is φ = 836139947520.

The previous prime is 2231001301219. The next prime is 2231001301231. The reversal of 2231001301220 is 221031001322.

It is a super-3 number, since 3×2231001301220³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14636666 + ... + 14788305.

It is an arithmetic number, because the mean of its divisors is an integer number (103811301216).

Almost surely, 2^{2231001301220} is an apocalyptic number.

2231001301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231001301220 is an abundant number, since it is smaller than the sum of its proper divisors (2751941157148).

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

2231001301220 is a wasteful number, since it uses less digits than its factorization.

2231001301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29425220 (or 29425218 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2231001301220 its reverse (221031001322), we get a palindrome (2452032302542).

The spelling of 2231001301220 in words is "two trillion, two hundred thirty-one billion, one million, three hundred one thousand, two hundred twenty".