220110112120101 has 48 divisors (see below), whose sum is σ = 350629867660800. Its totient is φ = 120306203249760.

The previous prime is 220110112120043. The next prime is 220110112120111. The reversal of 220110112120101 is 101021211011022.

It is a happy number.

It is not a de Polignac number, because 220110112120101 - 2⁹ = 220110112119589 is a prime.

It is a super-2 number, since 2×220110112120101² (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 (220110112120111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 643028886 + ... + 643371096.

It is an arithmetic number, because the mean of its divisors is an integer number (7304788909600).

Almost surely, 2^{220110112120101} is an apocalyptic number.

220110112120101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220110112120101 is a deficient number, since it is larger than the sum of its proper divisors (130519755540699).

220110112120101 is a wasteful number, since it uses less digits than its factorization.

220110112120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400166 (or 400143 counting only the distinct ones).

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

Adding to 220110112120101 its reverse (101021211011022), we get a palindrome (321131323131123).

The spelling of 220110112120101 in words is "two hundred twenty trillion, one hundred ten billion, one hundred twelve million, one hundred twenty thousand, one hundred one".