2221989123211 has 16 divisors (see below), whose sum is σ = 2637360619488. Its totient is φ = 1845383500800.

The previous prime is 2221989123173. The next prime is 2221989123241. The reversal of 2221989123211 is 1123219891222.

It is a cyclic number.

It is not a de Polignac number, because 2221989123211 - 2³¹ = 2219841639563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221989123241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80080900 + ... + 80108641.

It is an arithmetic number, because the mean of its divisors is an integer number (164835038718).

Almost surely, 2^{2221989123211} is an apocalyptic number.

2221989123211 is a deficient number, since it is larger than the sum of its proper divisors (415371496277).

2221989123211 is a wasteful number, since it uses less digits than its factorization.

2221989123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160189662.

The product of its digits is 62208, while the sum is 43.

The spelling of 2221989123211 in words is "two trillion, two hundred twenty-one billion, nine hundred eighty-nine million, one hundred twenty-three thousand, two hundred eleven".