121222043203 has 4 divisors (see below), whose sum is σ = 127602150760. Its totient is φ = 114841935648.

The previous prime is 121222043147. The next prime is 121222043213. The reversal of 121222043203 is 302340222121.

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

It is a cyclic number.

It is not a de Polignac number, because 121222043203 - 2⁹ = 121222042691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121222043213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3190053750 + ... + 3190053787.

It is an arithmetic number, because the mean of its divisors is an integer number (31900537690).

Almost surely, 2^121222043203 is an apocalyptic number.

121222043203 is a deficient number, since it is larger than the sum of its proper divisors (6380107557).

121222043203 is an equidigital number, since it uses as much as digits as its factorization.

121222043203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380107556.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 121222043203 its reverse (302340222121), we get a palindrome (423562265324).

The spelling of 121222043203 in words is "one hundred twenty-one billion, two hundred twenty-two million, forty-three thousand, two hundred three".