2221112101011 has 8 divisors (see below), whose sum is σ = 2961624603024. Its totient is φ = 1480670499840.

The previous prime is 2221112101003. The next prime is 2221112101037. The reversal of 2221112101011 is 1101012111222.

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 2221112101011 - 2³ = 2221112101003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221112101001) 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, 17652070 + ... + 17777451.

It is an arithmetic number, because the mean of its divisors is an integer number (370203075378).

Almost surely, 2^{2221112101011} is an apocalyptic number.

2221112101011 is a deficient number, since it is larger than the sum of its proper divisors (740512502013).

2221112101011 is a wasteful number, since it uses less digits than its factorization.

2221112101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35450421.

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

Adding to 2221112101011 its reverse (1101012111222), we get a palindrome (3322124212233).

The spelling of 2221112101011 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred one thousand, eleven".