11102100121 has 32 divisors (see below), whose sum is σ = 14176512000. Its totient is φ = 8463958272.

The previous prime is 11102100109. The next prime is 11102100133. The reversal of 11102100121 is 12100120111.

It is an interprime number because it is at equal distance from previous prime (11102100109) and next prime (11102100133).

It is not a de Polignac number, because 11102100121 - 2⁷ = 11102099993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102100098 and 11102100107.

It is not an unprimeable number, because it can be changed into a prime (11102100181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 941500 + ... + 953218.

It is an arithmetic number, because the mean of its divisors is an integer number (443016000).

Almost surely, 2^11102100121 is an apocalyptic number.

It is an amenable number.

11102100121 is a deficient number, since it is larger than the sum of its proper divisors (3074411879).

11102100121 is a wasteful number, since it uses less digits than its factorization.

11102100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12181.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11102100121 its reverse (12100120111), we get a palindrome (23202220232).

The spelling of 11102100121 in words is "eleven billion, one hundred two million, one hundred thousand, one hundred twenty-one".