221122051553123 has 8 divisors (see below), whose sum is σ = 252711009706848. Its totient is φ = 189533116810944.

The previous prime is 221122051553017. The next prime is 221122051553239. The reversal of 221122051553123 is 321355150221122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221122051553123 - 2¹⁴ = 221122051536739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221122051553423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25794665 + ... + 33280757.

It is an arithmetic number, because the mean of its divisors is an integer number (31588876213356).

Almost surely, 2^{221122051553123} is an apocalyptic number.

221122051553123 is a deficient number, since it is larger than the sum of its proper divisors (31588958153725).

221122051553123 is an equidigital number, since it uses as much as digits as its factorization.

221122051553123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11705773.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 221122051553123 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, fifty-one million, five hundred fifty-three thousand, one hundred twenty-three".