121210022203 has 16 divisors (see below), whose sum is σ = 125888424480. Its totient is φ = 116635723776.

The previous prime is 121210022201. The next prime is 121210022243. The reversal of 121210022203 is 302220012121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121210022203 - 2¹ = 121210022201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121210022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738651 + ... + 887707.

It is an arithmetic number, because the mean of its divisors is an integer number (7868026530).

Almost surely, 2^121210022203 is an apocalyptic number.

121210022203 is a deficient number, since it is larger than the sum of its proper divisors (4678402277).

121210022203 is a wasteful number, since it uses less digits than its factorization.

121210022203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149406.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121210022203 its reverse (302220012121), we get a palindrome (423430034324).

The spelling of 121210022203 in words is "one hundred twenty-one billion, two hundred ten million, twenty-two thousand, two hundred three".