10220111100121 has 16 divisors (see below), whose sum is σ = 11729164737024. Its totient is φ = 8831781756864.

The previous prime is 10220111100053. The next prime is 10220111100149. The reversal of 10220111100121 is 12100111102201.

It is a happy number.

It is not a de Polignac number, because 10220111100121 - 2⁹ = 10220111099609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220111100421) 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 15 ways as a sum of consecutive naturals, for example, 363613326 + ... + 363641431.

It is an arithmetic number, because the mean of its divisors is an integer number (733072796064).

Almost surely, 2^{10220111100121} is an apocalyptic number.

It is an amenable number.

10220111100121 is a deficient number, since it is larger than the sum of its proper divisors (1509053636903).

10220111100121 is a wasteful number, since it uses less digits than its factorization.

10220111100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727254840.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10220111100121 its reverse (12100111102201), we get a palindrome (22320222202322).

The spelling of 10220111100121 in words is "ten trillion, two hundred twenty billion, one hundred eleven million, one hundred thousand, one hundred twenty-one".