121333222221213 has 8 divisors (see below), whose sum is σ = 166149997996768. Its totient is φ = 78702630629904.

The previous prime is 121333222221161. The next prime is 121333222221221. The reversal of 121333222221213 is 312122222333121.

It is a happy number.

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

It is not a de Polignac number, because 121333222221213 - 2¹⁷ = 121333222090141 is a prime.

It is a super-2 number, since 2×121333222221213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333222221313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546546045931 + ... + 546546046152.

It is an arithmetic number, because the mean of its divisors is an integer number (20768749749596).

Almost surely, 2^{121333222221213} is an apocalyptic number.

It is an amenable number.

121333222221213 is a deficient number, since it is larger than the sum of its proper divisors (44816775775555).

121333222221213 is a wasteful number, since it uses less digits than its factorization.

121333222221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093092092123.

The product of its digits is 10368, while the sum is 30.

Adding to 121333222221213 its reverse (312122222333121), we get a palindrome (433455444554334).

The spelling of 121333222221213 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred thirteen".