102022012111 has 4 divisors (see below), whose sum is σ = 106457751792. Its totient is φ = 97586272432.

The previous prime is 102022012109. The next prime is 102022012163. The reversal of 102022012111 is 111210220201.

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

It is a cyclic number.

It is not a de Polignac number, because 102022012111 - 2¹ = 102022012109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102022012091 and 102022012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022012171) 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, 2217869806 + ... + 2217869851.

It is an arithmetic number, because the mean of its divisors is an integer number (26614437948).

Almost surely, 2^102022012111 is an apocalyptic number.

102022012111 is a deficient number, since it is larger than the sum of its proper divisors (4435739681).

102022012111 is an equidigital number, since it uses as much as digits as its factorization.

102022012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435739680.

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

Adding to 102022012111 its reverse (111210220201), we get a palindrome (213232232312).

The spelling of 102022012111 in words is "one hundred two billion, twenty-two million, twelve thousand, one hundred eleven".