11021111102121 has 8 divisors (see below), whose sum is σ = 15468226108320. Its totient is φ = 6960701748672.

The previous prime is 11021111102107. The next prime is 11021111102171. The reversal of 11021111102121 is 12120111112011.

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

It is not a de Polignac number, because 11021111102121 - 2¹¹ = 11021111100073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11021111102121.

It is not an unprimeable number, because it can be changed into a prime (11021111102171) 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, 96676413120 + ... + 96676413233.

It is an arithmetic number, because the mean of its divisors is an integer number (1933528263540).

Almost surely, 2^{11021111102121} is an apocalyptic number.

It is an amenable number.

11021111102121 is a deficient number, since it is larger than the sum of its proper divisors (4447115006199).

11021111102121 is a wasteful number, since it uses less digits than its factorization.

11021111102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193352826375.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11021111102121 its reverse (12120111112011), we get a palindrome (23141222214132).

The spelling of 11021111102121 in words is "eleven trillion, twenty-one billion, one hundred eleven million, one hundred two thousand, one hundred twenty-one".