2221120110001 has 32 divisors (see below), whose sum is σ = 2448491576832. Its totient is φ = 2002385925120.

The previous prime is 2221120109993. The next prime is 2221120110019. The reversal of 2221120110001 is 1000110211222.

It is a cyclic number.

It is not a de Polignac number, because 2221120110001 - 2³ = 2221120109993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221120110031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230808876 + ... + 230818498.

It is an arithmetic number, because the mean of its divisors is an integer number (76515361776).

Almost surely, 2^{2221120110001} is an apocalyptic number.

It is an amenable number.

2221120110001 is a deficient number, since it is larger than the sum of its proper divisors (227371466831).

2221120110001 is a wasteful number, since it uses less digits than its factorization.

2221120110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12033.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2221120110001 its reverse (1000110211222), we get a palindrome (3221230321223).

The spelling of 2221120110001 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, one hundred ten thousand, one".