2122110101112 has 32 divisors (see below), whose sum is σ = 5476413166080. Its totient is φ = 684551645280.

The previous prime is 2122110101101. The next prime is 2122110101113. The reversal of 2122110101112 is 2111010112212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2122110101091 and 2122110101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122110101113) 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, 1426148518 + ... + 1426150005.

It is an arithmetic number, because the mean of its divisors is an integer number (171137911440).

Almost surely, 2^{2122110101112} is an apocalyptic number.

It is an amenable number.

2122110101112 is an abundant number, since it is smaller than the sum of its proper divisors (3354303064968).

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

2122110101112 is a wasteful number, since it uses less digits than its factorization.

2122110101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852298563 (or 2852298559 counting only the distinct ones).

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

Adding to 2122110101112 its reverse (2111010112212), we get a palindrome (4233120213324).

It can be divided in two parts, 2122110 and 101112, that added together give a palindrome (2223222).

The spelling of 2122110101112 in words is "two trillion, one hundred twenty-two billion, one hundred ten million, one hundred one thousand, one hundred twelve".