2221310300123 has 16 divisors (see below), whose sum is σ = 2376819873792. Its totient is φ = 2070816264000.

The previous prime is 2221310300051. The next prime is 2221310300147. The reversal of 2221310300123 is 3210030131222.

It is a cyclic number.

It is not a de Polignac number, because 2221310300123 - 2¹⁴ = 2221310283739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221310300095 and 2221310300104.

It is not an unprimeable number, because it can be changed into a prime (2221310300173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253973 + ... + 2122998.

It is an arithmetic number, because the mean of its divisors is an integer number (148551242112).

Almost surely, 2^{2221310300123} is an apocalyptic number.

2221310300123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2221310300123 is a deficient number, since it is larger than the sum of its proper divisors (155509573669).

2221310300123 is a wasteful number, since it uses less digits than its factorization.

2221310300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378026.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2221310300123 its reverse (3210030131222), we get a palindrome (5431340431345).

The spelling of 2221310300123 in words is "two trillion, two hundred twenty-one billion, three hundred ten million, three hundred thousand, one hundred twenty-three".