10122022111 has 4 divisors (see below), whose sum is σ = 10158043824. Its totient is φ = 10086000400.

The previous prime is 10122022103. The next prime is 10122022147. The reversal of 10122022111 is 11122022101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11122022101 = 863 ⋅12887627.

It is a cyclic number.

It is not a de Polignac number, because 10122022111 - 2³ = 10122022103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122022091 and 10122022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122022181) 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, 18010435 + ... + 18010996.

It is an arithmetic number, because the mean of its divisors is an integer number (2539510956).

Almost surely, 2^10122022111 is an apocalyptic number.

10122022111 is a deficient number, since it is larger than the sum of its proper divisors (36021713).

10122022111 is an equidigital number, since it uses as much as digits as its factorization.

10122022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36021712.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10122022111 its reverse (11122022101), we get a palindrome (21244044212).

The spelling of 10122022111 in words is "ten billion, one hundred twenty-two million, twenty-two thousand, one hundred eleven".