11102010212121 has 32 divisors (see below), whose sum is σ = 15744493739520. Its totient is φ = 6946098969600.

The previous prime is 11102010212093. The next prime is 11102010212143. The reversal of 11102010212121 is 12121201020111.

It is a happy number.

It is not a de Polignac number, because 11102010212121 - 2⁶ = 11102010212057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11102010212121.

It is not an unprimeable number, because it can be changed into a prime (11102010212921) 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, 4775820 + ... + 6709133.

It is an arithmetic number, because the mean of its divisors is an integer number (492015429360).

Almost surely, 2^{11102010212121} is an apocalyptic number.

It is an amenable number.

11102010212121 is a deficient number, since it is larger than the sum of its proper divisors (4642483527399).

11102010212121 is a wasteful number, since it uses less digits than its factorization.

11102010212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11485297.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11102010212121 its reverse (12121201020111), we get a palindrome (23223211232232).

The spelling of 11102010212121 in words is "eleven trillion, one hundred two billion, ten million, two hundred twelve thousand, one hundred twenty-one".