2331220101 has 16 divisors (see below), whose sum is σ = 3567206400. Its totient is φ = 1326549168.

The previous prime is 2331220061. The next prime is 2331220121. The reversal of 2331220101 is 1010221332.

It is not a de Polignac number, because 2331220101 - 2⁶ = 2331220037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331220121) 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, 227221 + ... + 237258.

It is an arithmetic number, because the mean of its divisors is an integer number (222950400).

Almost surely, 2^2331220101 is an apocalyptic number.

2331220101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2331220101 is a deficient number, since it is larger than the sum of its proper divisors (1235986299).

2331220101 is a wasteful number, since it uses less digits than its factorization.

2331220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464728.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2331220101 is about 48282.7101662697. The cubic root of 2331220101 is about 1325.9518687215.

Adding to 2331220101 its reverse (1010221332), we get a palindrome (3341441433).

The spelling of 2331220101 in words is "two billion, three hundred thirty-one million, two hundred twenty thousand, one hundred one".