121210102011203 has 32 divisors (see below), whose sum is σ = 130082147500032. Its totient is φ = 112545408640000.

The previous prime is 121210102011137. The next prime is 121210102011221. The reversal of 121210102011203 is 302110201012121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121210102011203 - 2⁸ = 121210102010947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121210102211203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189575150 + ... + 190213452.

It is an arithmetic number, because the mean of its divisors is an integer number (4065067109376).

Almost surely, 2^{121210102011203} is an apocalyptic number.

121210102011203 is a deficient number, since it is larger than the sum of its proper divisors (8872045488829).

121210102011203 is a wasteful number, since it uses less digits than its factorization.

121210102011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638995.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121210102011203 its reverse (302110201012121), we get a palindrome (423320303023324).

The spelling of 121210102011203 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred two million, eleven thousand, two hundred three".