221100202001122 has 8 divisors (see below), whose sum is σ = 331651092385872. Its totient is φ = 110549837872500.

The previous prime is 221100202001117. The next prime is 221100202001143.

It is a happy number.

221100202001122 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 = 221100202001096 and 221100202001105.

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, 130512004 + ... + 132195247.

It is an arithmetic number, because the mean of its divisors is an integer number (41456386548234).

Almost surely, 2^{221100202001122} is an apocalyptic number.

221100202001122 is a deficient number, since it is larger than the sum of its proper divisors (110550890384750).

221100202001122 is a wasteful number, since it uses less digits than its factorization.

221100202001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263128064.

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

It can be divided in two parts, 22110020 and 2001122, that added together give a palindrome (24111142).

The spelling of 221100202001122 in words is "two hundred twenty-one trillion, one hundred billion, two hundred two million, one thousand, one hundred twenty-two".