110120221021211 has 4 divisors (see below), whose sum is σ = 110313753923400. Its totient is φ = 109926688119024.

The previous prime is 110120221021193. The next prime is 110120221021267. The reversal of 110120221021211 is 112120122021011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110120221021211 is a prime.

It is a super-2 number, since 2×110120221021211² (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 110120221021211.

It is not an unprimeable number, because it can be changed into a prime (110120221021711) 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, 96766450241 + ... + 96766451378.

It is an arithmetic number, because the mean of its divisors is an integer number (27578438480850).

Almost surely, 2^{110120221021211} is an apocalyptic number.

110120221021211 is a deficient number, since it is larger than the sum of its proper divisors (193532902189).

110120221021211 is an equidigital number, since it uses as much as digits as its factorization.

110120221021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193532902188.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110120221021211 its reverse (112120122021011), we get a palindrome (222240343042222).

The spelling of 110120221021211 in words is "one hundred ten trillion, one hundred twenty billion, two hundred twenty-one million, twenty-one thousand, two hundred eleven".