2211221011010 has 48 divisors (see below), whose sum is σ = 4375177443000. Its totient is φ = 804034556160.

The previous prime is 2211221011007. The next prime is 2211221011019. The reversal of 2211221011010 is 101101221122.

It can be written as a sum of positive squares in 4 ways, for example, as 957342876721 + 1253878134289 = 978439^2 + 1119767^2 .

It is not an unprimeable number, because it can be changed into a prime (2211221011019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27001406 + ... + 27083174.

Almost surely, 2^{2211221011010} is an apocalyptic number.

2211221011010 is a deficient number, since it is larger than the sum of its proper divisors (2163956431990).

2211221011010 is a wasteful number, since it uses less digits than its factorization.

2211221011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104147 (or 104136 counting only the distinct ones).

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

Adding to 2211221011010 its reverse (101101221122), we get a palindrome (2312322232132).

The spelling of 2211221011010 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, eleven thousand, ten".