10122210121111 has 4 divisors (see below), whose sum is σ = 11042411041224. Its totient is φ = 9202009201000.

The previous prime is 10122210121027. The next prime is 10122210121139. The reversal of 10122210121111 is 11112101222101.

10122210121111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10122210121111 - 2¹³ = 10122210112919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122210121171) 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, 460100460040 + ... + 460100460061.

It is an arithmetic number, because the mean of its divisors is an integer number (2760602760306).

Almost surely, 2^{10122210121111} is an apocalyptic number.

10122210121111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10122210121111 is a deficient number, since it is larger than the sum of its proper divisors (920200920113).

10122210121111 is an equidigital number, since it uses as much as digits as its factorization.

10122210121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920200920112.

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

Adding to 10122210121111 its reverse (11112101222101), we get a palindrome (21234311343212).

The spelling of 10122210121111 in words is "ten trillion, one hundred twenty-two billion, two hundred ten million, one hundred twenty-one thousand, one hundred eleven".