2111021110122 has 16 divisors (see below), whose sum is σ = 4230711717312. Its totient is φ = 702228787200.

The previous prime is 2111021110111. The next prime is 2111021110129. The reversal of 2111021110122 is 2210111201112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2111021110129) 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, 361225879 + ... + 361231722.

It is an arithmetic number, because the mean of its divisors is an integer number (264419482332).

Almost surely, 2^{2111021110122} is an apocalyptic number.

2111021110122 is an abundant number, since it is smaller than the sum of its proper divisors (2119690607190).

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

2111021110122 is a wasteful number, since it uses less digits than its factorization.

2111021110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722458093.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2111021110122 its reverse (2210111201112), we get a palindrome (4321132311234).

The spelling of 2111021110122 in words is "two trillion, one hundred eleven billion, twenty-one million, one hundred ten thousand, one hundred twenty-two".