10120222111 has 32 divisors (see below), whose sum is σ = 11992458240. Its totient is φ = 8468089344.

The previous prime is 10120222093. The next prime is 10120222117. The reversal of 10120222111 is 11122202101.

It is a cyclic number.

It is not a de Polignac number, because 10120222111 - 2⁷ = 10120221983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10120222091 and 10120222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120222117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380886 + ... + 406588.

It is an arithmetic number, because the mean of its divisors is an integer number (374764320).

Almost surely, 2^10120222111 is an apocalyptic number.

10120222111 is a deficient number, since it is larger than the sum of its proper divisors (1872236129).

10120222111 is a wasteful number, since it uses less digits than its factorization.

10120222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25815.

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

Adding to 10120222111 its reverse (11122202101), we get a palindrome (21242424212).

The spelling of 10120222111 in words is "ten billion, one hundred twenty million, two hundred twenty-two thousand, one hundred eleven".