221303303122 has 32 divisors (see below), whose sum is σ = 368691295104. Its totient is φ = 98776147200.

The previous prime is 221303303057. The next prime is 221303303141.

221303303122 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 221303303093 and 221303303102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656763 + ... + 934849.

It is an arithmetic number, because the mean of its divisors is an integer number (11521602972).

Almost surely, 2^221303303122 is an apocalyptic number.

221303303122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221303303122 is a deficient number, since it is larger than the sum of its proper divisors (147387991982).

221303303122 is a wasteful number, since it uses less digits than its factorization.

221303303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278754.

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 221303 and 303122, that added together give a palindrome (524425).

The spelling of 221303303122 in words is "two hundred twenty-one billion, three hundred three million, three hundred three thousand, one hundred twenty-two".