2220211111001 has 8 divisors (see below), whose sum is σ = 2404817373000. Its totient is φ = 2037579247872.

The previous prime is 2220211110989. The next prime is 2220211111003. The reversal of 2220211111001 is 1001111120222.

It can be written as a sum of positive squares in 4 ways, for example, as 311458867225 + 1908752243776 = 558085^2 + 1381576^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2220211111001 - 2³⁰ = 2219137369177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220211111003) 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, 493597376 + ... + 493601873.

It is an arithmetic number, because the mean of its divisors is an integer number (300602171625).

Almost surely, 2^{2220211111001} is an apocalyptic number.

It is an amenable number.

2220211111001 is a deficient number, since it is larger than the sum of its proper divisors (184606261999).

2220211111001 is a wasteful number, since it uses less digits than its factorization.

2220211111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987199435.

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

Adding to 2220211111001 its reverse (1001111120222), we get a palindrome (3221322231223).

The spelling of 2220211111001 in words is "two trillion, two hundred twenty billion, two hundred eleven million, one hundred eleven thousand, one".