2123222321010 has 64 divisors (see below), whose sum is σ = 5823950840064. Its totient is φ = 485286681600.

The previous prime is 2123222320991. The next prime is 2123222321027. The reversal of 2123222321010 is 101232223212.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4855830 + ... + 5274990.

It is an arithmetic number, because the mean of its divisors is an integer number (90999231876).

Almost surely, 2^{2123222321010} is an apocalyptic number.

2123222321010 is an abundant number, since it is smaller than the sum of its proper divisors (3700728519054).

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

2123222321010 is a wasteful number, since it uses less digits than its factorization.

2123222321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443299.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2123222321010 its reverse (101232223212), we get a palindrome (2224454544222).

The spelling of 2123222321010 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-two million, three hundred twenty-one thousand, ten".