11112020211201 has 64 divisors (see below), whose sum is σ = 18732023095296. Its totient is φ = 5701632249600.

The previous prime is 11112020211181. The next prime is 11112020211251. The reversal of 11112020211201 is 10211202021111.

It is a happy number.

It is not a de Polignac number, because 11112020211201 - 2⁵ = 11112020211169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112020211251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47266536 + ... + 47501046.

It is an arithmetic number, because the mean of its divisors is an integer number (292687860864).

Almost surely, 2^{11112020211201} is an apocalyptic number.

It is an amenable number.

11112020211201 is a deficient number, since it is larger than the sum of its proper divisors (7620002884095).

11112020211201 is a wasteful number, since it uses less digits than its factorization.

11112020211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239262.

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

Adding to 11112020211201 its reverse (10211202021111), we get a palindrome (21323222232312).

The spelling of 11112020211201 in words is "eleven trillion, one hundred twelve billion, twenty million, two hundred eleven thousand, two hundred one".