2122011121110 has 16 divisors (see below), whose sum is σ = 5092826690736. Its totient is φ = 565869632288.

The previous prime is 2122011121063. The next prime is 2122011121117. The reversal of 2122011121110 is 111211102212.

It is a happy number.

It is a super-2 number, since 2×2122011121110² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122011121110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122011121117) 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, 35366851989 + ... + 35366852048.

It is an arithmetic number, because the mean of its divisors is an integer number (318301668171).

Almost surely, 2^{2122011121110} is an apocalyptic number.

2122011121110 is an abundant number, since it is smaller than the sum of its proper divisors (2970815569626).

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

2122011121110 is a wasteful number, since it uses less digits than its factorization.

2122011121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70733704047.

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

Adding to 2122011121110 its reverse (111211102212), we get a palindrome (2233222223322).

The spelling of 2122011121110 in words is "two trillion, one hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred ten".