101122120101011 has 4 divisors (see below), whose sum is σ = 102123329211024. Its totient is φ = 100120910991000.

The previous prime is 101122120101001. The next prime is 101122120101043. The reversal of 101122120101011 is 110101021221101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101122120101011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101122120101001) 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, 500604554855 + ... + 500604555056.

It is an arithmetic number, because the mean of its divisors is an integer number (25530832302756).

Almost surely, 2^{101122120101011} is an apocalyptic number.

101122120101011 is a deficient number, since it is larger than the sum of its proper divisors (1001209110013).

101122120101011 is a wasteful number, since it uses less digits than its factorization.

101122120101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001209110012.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101122120101011 its reverse (110101021221101), we get a palindrome (211223141322112).

The spelling of 101122120101011 in words is "one hundred one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred one thousand, eleven".