2121233101110 has 64 divisors (see below), whose sum is σ = 5794588013760. Its totient is φ = 551865519360.

The previous prime is 2121233101079. The next prime is 2121233101159. The reversal of 2121233101110 is 111013321212.

2121233101110 is a `hidden beast` number, since 212 + 12 + 331 + 0 + 1 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95798917 + ... + 95821056.

It is an arithmetic number, because the mean of its divisors is an integer number (90540437715).

Almost surely, 2^{2121233101110} is an apocalyptic number.

2121233101110 is an abundant number, since it is smaller than the sum of its proper divisors (3673354912650).

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

2121233101110 is a wasteful number, since it uses less digits than its factorization.

2121233101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191620030 (or 191620024 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2121233101110 its reverse (111013321212), we get a palindrome (2232246422322).

The spelling of 2121233101110 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-three million, one hundred one thousand, one hundred ten".