2821011918222 has 16 divisors (see below), whose sum is σ = 5642475818112. Its totient is φ = 940261975800.

The previous prime is 2821011918211. The next prime is 2821011918287. The reversal of 2821011918222 is 2228191101282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18751404 + ... + 18901247.

It is an arithmetic number, because the mean of its divisors is an integer number (352654738632).

Almost surely, 2^{2821011918222} is an apocalyptic number.

2821011918222 is an abundant number, since it is smaller than the sum of its proper divisors (2821463899890).

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

2821011918222 is a wasteful number, since it uses less digits than its factorization.

2821011918222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37665143.

The product of its (nonzero) digits is 18432, while the sum is 39.

The spelling of 2821011918222 in words is "two trillion, eight hundred twenty-one billion, eleven million, nine hundred eighteen thousand, two hundred twenty-two".