11112210012021 has 8 divisors (see below), whose sum is σ = 14873930912064. Its totient is φ = 7379314560000.

The previous prime is 11112210011963. The next prime is 11112210012037. The reversal of 11112210012021 is 12021001221111.

It is a happy number.

11112210012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11112210012021 - 2⁹ = 11112210011509 is a prime.

It is a super-2 number, since 2×11112210012021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112210012521) 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, 7206361105 + ... + 7206362646.

It is an arithmetic number, because the mean of its divisors is an integer number (1859241364008).

Almost surely, 2^{11112210012021} is an apocalyptic number.

It is an amenable number.

11112210012021 is a deficient number, since it is larger than the sum of its proper divisors (3761720900043).

11112210012021 is a wasteful number, since it uses less digits than its factorization.

11112210012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14412724011.

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

Adding to 11112210012021 its reverse (12021001221111), we get a palindrome (23133211233132).

The spelling of 11112210012021 in words is "eleven trillion, one hundred twelve billion, two hundred ten million, twelve thousand, twenty-one".