110101122210021 has 8 divisors (see below), whose sum is σ = 147046573905600. Its totient is φ = 73278209327232.

The previous prime is 110101122209983. The next prime is 110101122210061. The reversal of 110101122210021 is 120012221101011.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-110101122210021 is a prime.

It is a super-2 number, since 2×110101122210021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110101122210061) 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, 30634701100 + ... + 30634704693.

It is an arithmetic number, because the mean of its divisors is an integer number (18380821738200).

Almost surely, 2^{110101122210021} is an apocalyptic number.

It is an amenable number.

110101122210021 is a deficient number, since it is larger than the sum of its proper divisors (36945451695579).

110101122210021 is an equidigital number, since it uses as much as digits as its factorization.

110101122210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61269406395.

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

Adding to 110101122210021 its reverse (120012221101011), we get a palindrome (230113343311032).

The spelling of 110101122210021 in words is "one hundred ten trillion, one hundred one billion, one hundred twenty-two million, two hundred ten thousand, twenty-one".