21223875674099 has 16 divisors (see below), whose sum is σ = 25694669036736. Its totient is φ = 17113784755200.

The previous prime is 21223875674081. The next prime is 21223875674159. The reversal of 21223875674099 is 99047657832212.

It is not a de Polignac number, because 21223875674099 - 2¹² = 21223875670003 is a prime.

It is a super-2 number, since 2×21223875674099² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21223875674059) 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, 41396762 + ... + 41906319.

It is an arithmetic number, because the mean of its divisors is an integer number (1605916814796).

It is a 1-persistent number, because it is pandigital, but 2⋅21223875674099 = 42447751348198 is not.

Almost surely, 2^{21223875674099} is an apocalyptic number.

21223875674099 is a deficient number, since it is larger than the sum of its proper divisors (4470793362637).

21223875674099 is a wasteful number, since it uses less digits than its factorization.

21223875674099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83305246.

The product of its (nonzero) digits is 91445760, while the sum is 65.

The spelling of 21223875674099 in words is "twenty-one trillion, two hundred twenty-three billion, eight hundred seventy-five million, six hundred seventy-four thousand, ninety-nine".