121313002222 has 4 divisors (see below), whose sum is σ = 181969503336. Its totient is φ = 60656501110.

The previous prime is 121313002219. The next prime is 121313002247. The reversal of 121313002222 is 222200313121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222200313121 = 21499 ⋅10335379.

It is a super-2 number, since 2×121313002222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121313002222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30328250554 + ... + 30328250557.

It is an arithmetic number, because the mean of its divisors is an integer number (45492375834).

Almost surely, 2^121313002222 is an apocalyptic number.

121313002222 is a deficient number, since it is larger than the sum of its proper divisors (60656501114).

121313002222 is an equidigital number, since it uses as much as digits as its factorization.

121313002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60656501113.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121313002222 its reverse (222200313121), we get a palindrome (343513315343).

The spelling of 121313002222 in words is "one hundred twenty-one billion, three hundred thirteen million, two thousand, two hundred twenty-two".