101122010111 has 4 divisors (see below), whose sum is σ = 102631293912. Its totient is φ = 99612726312.

The previous prime is 101122010081. The next prime is 101122010113. The reversal of 101122010111 is 111010221101.

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 101122010111 - 2⁶ = 101122010047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101122010092 and 101122010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122010113) 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, 754641800 + ... + 754641933.

It is an arithmetic number, because the mean of its divisors is an integer number (25657823478).

Almost surely, 2^101122010111 is an apocalyptic number.

101122010111 is a deficient number, since it is larger than the sum of its proper divisors (1509283801).

101122010111 is an equidigital number, since it uses as much as digits as its factorization.

101122010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509283800.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101122010111 its reverse (111010221101), we get a palindrome (212132231212).

The spelling of 101122010111 in words is "one hundred one billion, one hundred twenty-two million, ten thousand, one hundred eleven".