2122111213130 has 48 divisors (see below), whose sum is σ = 3897142283160. Its totient is φ = 831992039424.

The previous prime is 2122111213121. The next prime is 2122111213177. The reversal of 2122111213130 is 313121112212.

It can be written as a sum of positive squares in 12 ways, for example, as 53660332609 + 2068450880521 = 231647^2 + 1438211^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28305374 + ... + 28380246.

Almost surely, 2^{2122111213130} is an apocalyptic number.

2122111213130 is a deficient number, since it is larger than the sum of its proper divisors (1775031070030).

2122111213130 is a wasteful number, since it uses less digits than its factorization.

2122111213130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75995 (or 75942 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2122111213130 its reverse (313121112212), we get a palindrome (2435232325342).

The spelling of 2122111213130 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred thirteen thousand, one hundred thirty".