122102020111 has 8 divisors (see below), whose sum is σ = 122334598064. Its totient is φ = 121869576000.

The previous prime is 122102020097. The next prime is 122102020127. The reversal of 122102020111 is 111020201221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122102020111 - 2¹¹ = 122102018063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122102020091 and 122102020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102020511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898005 + ... + 1961281.

It is an arithmetic number, because the mean of its divisors is an integer number (15291824758).

Almost surely, 2^122102020111 is an apocalyptic number.

122102020111 is a deficient number, since it is larger than the sum of its proper divisors (232577953).

122102020111 is an equidigital number, since it uses as much as digits as its factorization.

122102020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66921.

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

Adding to 122102020111 its reverse (111020201221), we get a palindrome (233122221332).

The spelling of 122102020111 in words is "one hundred twenty-two billion, one hundred two million, twenty thousand, one hundred eleven".