2131022543066 has 16 divisors (see below), whose sum is σ = 3364800855360. Its totient is φ = 1009423205280.

The previous prime is 2131022543057. The next prime is 2131022543093. The reversal of 2131022543066 is 6603452201312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8786075 + ... + 9025361.

It is an arithmetic number, because the mean of its divisors is an integer number (210300053460).

Almost surely, 2^{2131022543066} is an apocalyptic number.

2131022543066 is a deficient number, since it is larger than the sum of its proper divisors (1233778312294).

2131022543066 is a wasteful number, since it uses less digits than its factorization.

2131022543066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473669.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 2131022543066 its reverse (6603452201312), we get a palindrome (8734474744378).

The spelling of 2131022543066 in words is "two trillion, one hundred thirty-one billion, twenty-two million, five hundred forty-three thousand, sixty-six".