221001202100122 has 8 divisors (see below), whose sum is σ = 331542334022400. Its totient is φ = 110487090759324.

The previous prime is 221001202100111. The next prime is 221001202100207.

It is a happy number.

221001202100122 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 221001202100096 and 221001202100105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6755124922 + ... + 6755157637.

It is an arithmetic number, because the mean of its divisors is an integer number (41442791752800).

Almost surely, 2^{221001202100122} is an apocalyptic number.

221001202100122 is a deficient number, since it is larger than the sum of its proper divisors (110541131922278).

221001202100122 is a wasteful number, since it uses less digits than its factorization.

221001202100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13510290740.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 22100120 and 2100122, that added together give a palindrome (24200242).

The spelling of 221001202100122 in words is "two hundred twenty-one trillion, one billion, two hundred two million, one hundred thousand, one hundred twenty-two".