2001222211103 has 8 divisors (see below), whose sum is σ = 2051361166800. Its totient is φ = 1951246842048.

The previous prime is 2001222211061. The next prime is 2001222211123. The reversal of 2001222211103 is 3011122221002.

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-2001222211103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001222211123) 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, 40871888 + ... + 40920821.

It is an arithmetic number, because the mean of its divisors is an integer number (256420145850).

Almost surely, 2^{2001222211103} is an apocalyptic number.

2001222211103 is a deficient number, since it is larger than the sum of its proper divisors (50138955697).

2001222211103 is an equidigital number, since it uses as much as digits as its factorization.

2001222211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81793321.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2001222211103 its reverse (3011122221002), we get a palindrome (5012344432105).

The spelling of 2001222211103 in words is "two trillion, one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred three".