2321011301220 has 144 divisors (see below), whose sum is σ = 7054970744640. Its totient is φ = 617656451328.

The previous prime is 2321011301183. The next prime is 2321011301239. The reversal of 2321011301220 is 221031101232.

2321011301220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2321011301193 and 2321011301202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 391861179 + ... + 391867101.

Almost surely, 2^{2321011301220} is an apocalyptic number.

2321011301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321011301220 is an abundant number, since it is smaller than the sum of its proper divisors (4733959443420).

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

2321011301220 is a wasteful number, since it uses less digits than its factorization.

2321011301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074 (or 10069 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2321011301220 its reverse (221031101232), we get a palindrome (2542042402452).

The spelling of 2321011301220 in words is "two trillion, three hundred twenty-one billion, eleven million, three hundred one thousand, two hundred twenty".