110022221002121 has 4 divisors (see below), whose sum is σ = 111414907344000. Its totient is φ = 108629534660244.

The previous prime is 110022221002019. The next prime is 110022221002123. The reversal of 110022221002121 is 121200122220011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110022221002121 is a prime.

It is a super-2 number, since 2×110022221002121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110022221002121.

It is not an unprimeable number, because it can be changed into a prime (110022221002123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696343170821 + ... + 696343170978.

It is an arithmetic number, because the mean of its divisors is an integer number (27853726836000).

Almost surely, 2^{110022221002121} is an apocalyptic number.

It is an amenable number.

110022221002121 is a deficient number, since it is larger than the sum of its proper divisors (1392686341879).

110022221002121 is an equidigital number, since it uses as much as digits as its factorization.

110022221002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392686341878.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110022221002121 its reverse (121200122220011), we get a palindrome (231222343222132).

The spelling of 110022221002121 in words is "one hundred ten trillion, twenty-two billion, two hundred twenty-one million, two thousand, one hundred twenty-one".