121000213322 has 4 divisors (see below), whose sum is σ = 181500319986. Its totient is φ = 60500106660.

The previous prime is 121000213309. The next prime is 121000213361. The reversal of 121000213322 is 223312000121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105599651521 + 15400561801 = 324961^2 + 124099^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121000213322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250053329 + ... + 30250053332.

Almost surely, 2^121000213322 is an apocalyptic number.

121000213322 is a deficient number, since it is larger than the sum of its proper divisors (60500106664).

121000213322 is an equidigital number, since it uses as much as digits as its factorization.

121000213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60500106663.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121000213322 its reverse (223312000121), we get a palindrome (344312213443).

The spelling of 121000213322 in words is "one hundred twenty-one billion, two hundred thirteen thousand, three hundred twenty-two".