11122656101 has 4 divisors (see below), whose sum is σ = 11122867212. Its totient is φ = 11122444992.

The previous prime is 11122656073. The next prime is 11122656133. The reversal of 11122656101 is 10165622111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10165622111 = 9743 ⋅1043377.

It can be written as a sum of positive squares in 2 ways, for example, as 7766191876 + 3356464225 = 88126^2 + 57935^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122656101 - 2¹⁸ = 11122393957 is a prime.

It is a super-2 number, since 2×11122656101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122656901) 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, 46205 + ... + 156141.

It is an arithmetic number, because the mean of its divisors is an integer number (2780716803).

Almost surely, 2^11122656101 is an apocalyptic number.

It is an amenable number.

11122656101 is a deficient number, since it is larger than the sum of its proper divisors (211111).

11122656101 is a wasteful number, since it uses less digits than its factorization.

11122656101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211110.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 11122656101 in words is "eleven billion, one hundred twenty-two million, six hundred fifty-six thousand, one hundred one".