101022220111 has 4 divisors (see below), whose sum is σ = 101023628112. Its totient is φ = 101020812112.

The previous prime is 101022220093. The next prime is 101022220127. The reversal of 101022220111 is 111022220101.

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 101022220111 - 2¹³ = 101022211919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101022220091 and 101022220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022220171) 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, 590251 + ... + 741916.

It is an arithmetic number, because the mean of its divisors is an integer number (25255907028).

Almost surely, 2^101022220111 is an apocalyptic number.

101022220111 is a deficient number, since it is larger than the sum of its proper divisors (1408001).

101022220111 is an equidigital number, since it uses as much as digits as its factorization.

101022220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408000.

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

Adding to 101022220111 its reverse (111022220101), we get a palindrome (212044440212).

The spelling of 101022220111 in words is "one hundred one billion, twenty-two million, two hundred twenty thousand, one hundred eleven".