2211101284 has 36 divisors (see below), whose sum is σ = 4541049324. Its totient is φ = 939219456.

The previous prime is 2211101267. The next prime is 2211101303. The reversal of 2211101284 is 4821011122.

It can be written as a sum of positive squares in 2 ways, for example, as 260112384 + 1950988900 = 16128^2 + 44170^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27769 + ... + 72064.

It is an arithmetic number, because the mean of its divisors is an integer number (126140259).

Almost surely, 2^2211101284 is an apocalyptic number.

It is an amenable number.

2211101284 is an abundant number, since it is smaller than the sum of its proper divisors (2329948040).

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

2211101284 is a wasteful number, since it uses less digits than its factorization.

2211101284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99964 (or 99955 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 2211101284 is about 47022.3487716214. The cubic root of 2211101284 is about 1302.7753889084.

The spelling of 2211101284 in words is "two billion, two hundred eleven million, one hundred one thousand, two hundred eighty-four".