221401202104122 has 16 divisors (see below), whose sum is σ = 444900993804192. Its totient is φ = 73450635768720.

The previous prime is 221401202104057. The next prime is 221401202104213.

221401202104122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221401202104092 and 221401202104101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87441231793 + ... + 87441234324.

It is an arithmetic number, because the mean of its divisors is an integer number (27806312112762).

Almost surely, 2^{221401202104122} is an apocalyptic number.

221401202104122 is an abundant number, since it is smaller than the sum of its proper divisors (223499791700070).

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

221401202104122 is a wasteful number, since it uses less digits than its factorization.

221401202104122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174882466333.

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 22140120 and 2104122, that added together give a palindrome (24244242).

The spelling of 221401202104122 in words is "two hundred twenty-one trillion, four hundred one billion, two hundred two million, one hundred four thousand, one hundred twenty-two".