10122220111121 has 8 divisors (see below), whose sum is σ = 10671057030144. Its totient is φ = 9587277797760.

The previous prime is 10122220111109. The next prime is 10122220111127. The reversal of 10122220111121 is 12111102222101.

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

It is a cyclic number.

It is not a de Polignac number, because 10122220111121 - 2²² = 10122215916817 is a prime.

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 10122220111121.

It is not an unprimeable number, because it can be changed into a prime (10122220111127) 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, 3473649920 + ... + 3473652833.

It is an arithmetic number, because the mean of its divisors is an integer number (1333882128768).

Almost surely, 2^{10122220111121} is an apocalyptic number.

It is an amenable number.

10122220111121 is a deficient number, since it is larger than the sum of its proper divisors (548836919023).

10122220111121 is an equidigital number, since it uses as much as digits as its factorization.

10122220111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6947302831.

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

Adding to 10122220111121 its reverse (12111102222101), we get a palindrome (22233322333222).

The spelling of 10122220111121 in words is "ten trillion, one hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand, one hundred twenty-one".