101122111101111 has 8 divisors (see below), whose sum is σ = 134830056616560. Its totient is φ = 67414453159872.

The previous prime is 101122111101107. The next prime is 101122111101139. The reversal of 101122111101111 is 111101111221101.

It is a happy number.

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

It is not a de Polignac number, because 101122111101111 - 2² = 101122111101107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122111101161) 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, 71071720 + ... + 72480573.

It is an arithmetic number, because the mean of its divisors is an integer number (16853757077070).

Almost surely, 2^{101122111101111} is an apocalyptic number.

101122111101111 is a deficient number, since it is larger than the sum of its proper divisors (33707945515449).

101122111101111 is a wasteful number, since it uses less digits than its factorization.

101122111101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143787105.

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 101122111101111 its reverse (111101111221101), we get a palindrome (212223222322212).

The spelling of 101122111101111 in words is "one hundred one trillion, one hundred twenty-two billion, one hundred eleven million, one hundred one thousand, one hundred eleven".