2154223311110 has 32 divisors (see below), whose sum is σ = 4182647226912. Its totient is φ = 794116350720.

The previous prime is 2154223311101. The next prime is 2154223311197. The reversal of 2154223311110 is 111133224512.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 2154223311110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13348436 + ... + 13508855.

It is an arithmetic number, because the mean of its divisors is an integer number (130707725841).

Almost surely, 2^{2154223311110} is an apocalyptic number.

2154223311110 is a deficient number, since it is larger than the sum of its proper divisors (2028423915802).

2154223311110 is a wasteful number, since it uses less digits than its factorization.

2154223311110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26857928.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 2154223311110 its reverse (111133224512), we get a palindrome (2265356535622).

The spelling of 2154223311110 in words is "two trillion, one hundred fifty-four billion, two hundred twenty-three million, three hundred eleven thousand, one hundred ten".