2112222020210 has 16 divisors (see below), whose sum is σ = 4025646674136. Its totient is φ = 795189466368.

The previous prime is 2112222020189. The next prime is 2112222020213. The reversal of 2112222020210 is 120202222112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2105136926281 + 7085093929 = 1450909^2 + 84173^2 .

It is a super-2 number, since 2×2112222020210² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2112222020213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6212417537 + ... + 6212417876.

Almost surely, 2^{2112222020210} is an apocalyptic number.

2112222020210 is a deficient number, since it is larger than the sum of its proper divisors (1913424653926).

2112222020210 is a wasteful number, since it uses less digits than its factorization.

2112222020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12424835437.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2112222020210 its reverse (120202222112), we get a palindrome (2232424242322).

The spelling of 2112222020210 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, twenty thousand, two hundred ten".