2016561311022 has 16 divisors (see below), whose sum is σ = 4033203465600. Its totient is φ = 672173629752.

The previous prime is 2016561311021. The next prime is 2016561311027. The reversal of 2016561311022 is 2201131656102.

It is a super-2 number, since 2×2016561311022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016561311021) 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, 3041772 + ... + 3644927.

It is an arithmetic number, because the mean of its divisors is an integer number (252075216600).

Almost surely, 2^{2016561311022} is an apocalyptic number.

2016561311022 is an abundant number, since it is smaller than the sum of its proper divisors (2016642154578).

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

2016561311022 is a wasteful number, since it uses less digits than its factorization.

2016561311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736967.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 2016561311022 its reverse (2201131656102), we get a palindrome (4217692967124).

The spelling of 2016561311022 in words is "two trillion, sixteen billion, five hundred sixty-one million, three hundred eleven thousand, twenty-two".