2312210100220 has 48 divisors (see below), whose sum is σ = 4876021509408. Its totient is φ = 921004277760.

The previous prime is 2312210100163. The next prime is 2312210100247. The reversal of 2312210100220 is 220010122132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2312210100194 and 2312210100203.

It is a congruent number.

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, 17208619 + ... + 17342461.

It is an arithmetic number, because the mean of its divisors is an integer number (101583781446).

Almost surely, 2^{2312210100220} is an apocalyptic number.

2312210100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312210100220 is an abundant number, since it is smaller than the sum of its proper divisors (2563811409188).

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

2312210100220 is a wasteful number, since it uses less digits than its factorization.

2312210100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137470 (or 137468 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2312210100220 its reverse (220010122132), we get a palindrome (2532220222352).

The spelling of 2312210100220 in words is "two trillion, three hundred twelve billion, two hundred ten million, one hundred thousand, two hundred twenty".