2221100201111 has 8 divisors (see below), whose sum is σ = 2423035449984. Its totient is φ = 2019167793720.

The previous prime is 2221100201093. The next prime is 2221100201129. The reversal of 2221100201111 is 1111020011222.

It is an interprime number because it is at equal distance from previous prime (2221100201093) and next prime (2221100201129).

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

It is a de Polignac number, because none of the positive numbers 2^k-2221100201111 is a prime.

It is a super-2 number, since 2×2221100201111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221100201711) 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, 1131740 + ... + 2392286.

It is an arithmetic number, because the mean of its divisors is an integer number (302879431248).

Almost surely, 2^{2221100201111} is an apocalyptic number.

2221100201111 is a deficient number, since it is larger than the sum of its proper divisors (201935248873).

2221100201111 is a wasteful number, since it uses less digits than its factorization.

2221100201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420741.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2221100201111 its reverse (1111020011222), we get a palindrome (3332120212333).

The spelling of 2221100201111 in words is "two trillion, two hundred twenty-one billion, one hundred million, two hundred one thousand, one hundred eleven".