2081121682422 has 16 divisors (see below), whose sum is σ = 4164296789952. Its totient is φ = 693364989960.

The previous prime is 2081121682421. The next prime is 2081121682433. The reversal of 2081121682422 is 2242861211802.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081121682421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85546204 + ... + 85570527.

It is an arithmetic number, because the mean of its divisors is an integer number (260268549372).

Almost surely, 2^{2081121682422} is an apocalyptic number.

2081121682422 is an abundant number, since it is smaller than the sum of its proper divisors (2083175107530).

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

2081121682422 is a wasteful number, since it uses less digits than its factorization.

2081121682422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171118763.

The product of its (nonzero) digits is 49152, while the sum is 39.

The spelling of 2081121682422 in words is "two trillion, eighty-one billion, one hundred twenty-one million, six hundred eighty-two thousand, four hundred twenty-two".