2221131010210 has 48 divisors (see below), whose sum is σ = 4811147989560. Its totient is φ = 735270950400.

The previous prime is 2221131010199. The next prime is 2221131010211. The reversal of 2221131010210 is 120101311222.

It can be written as a sum of positive squares in 4 ways, for example, as 1367755979121 + 853375031089 = 1169511^2 + 923783^2 .

It is a super-3 number, since 3×2221131010210³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221131010211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78139591 + ... + 78168010.

Almost surely, 2^{2221131010210} is an apocalyptic number.

2221131010210 is an abundant number, since it is smaller than the sum of its proper divisors (2590016979350).

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

2221131010210 is a wasteful number, since it uses less digits than its factorization.

2221131010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156307651 (or 156307644 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2221131010210 its reverse (120101311222), we get a palindrome (2341232321432).

The spelling of 2221131010210 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, ten thousand, two hundred ten".