2221211201110 has 128 divisors (see below), whose sum is σ = 4647331376640. Its totient is φ = 755883648000.

The previous prime is 2221211201087. The next prime is 2221211201113. The reversal of 2221211201110 is 111021121222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221211201113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93500994 + ... + 93524746.

It is an arithmetic number, because the mean of its divisors is an integer number (36307276380).

Almost surely, 2^{2221211201110} is an apocalyptic number.

2221211201110 is an abundant number, since it is smaller than the sum of its proper divisors (2426120175530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221211201110 is a wasteful number, since it uses less digits than its factorization.

2221211201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24334.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2221211201110 its reverse (111021121222), we get a palindrome (2332232322332).

The spelling of 2221211201110 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, two hundred one thousand, one hundred ten".