2110101221121 has 8 divisors (see below), whose sum is σ = 2889507978624. Its totient is φ = 1368714305520.

The previous prime is 2110101221113. The next prime is 2110101221141. The reversal of 2110101221121 is 1211221010112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2110101221121 - 2³ = 2110101221113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2110101221121.

It is not an unprimeable number, because it can be changed into a prime (2110101221141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9504960345 + ... + 9504960566.

It is an arithmetic number, because the mean of its divisors is an integer number (361188497328).

Almost surely, 2^{2110101221121} is an apocalyptic number.

It is an amenable number.

2110101221121 is a deficient number, since it is larger than the sum of its proper divisors (779406757503).

2110101221121 is a wasteful number, since it uses less digits than its factorization.

2110101221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19009920951.

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

Adding to 2110101221121 its reverse (1211221010112), we get a palindrome (3321322231233).

The spelling of 2110101221121 in words is "two trillion, one hundred ten billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty-one".