2221101012111 has 8 divisors (see below), whose sum is σ = 3117334753920. Its totient is φ = 1402800639192.

The previous prime is 2221101012103. The next prime is 2221101012113. The reversal of 2221101012111 is 1112101011222.

It is a happy number.

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

It is not a de Polignac number, because 2221101012111 - 2³ = 2221101012103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221101012113) 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, 19483342155 + ... + 19483342268.

It is an arithmetic number, because the mean of its divisors is an integer number (389666844240).

Almost surely, 2^{2221101012111} is an apocalyptic number.

2221101012111 is a deficient number, since it is larger than the sum of its proper divisors (896233741809).

2221101012111 is a wasteful number, since it uses less digits than its factorization.

2221101012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38966684445.

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

Adding to 2221101012111 its reverse (1112101011222), we get a palindrome (3333202023333).

The spelling of 2221101012111 in words is "two trillion, two hundred twenty-one billion, one hundred one million, twelve thousand, one hundred eleven".