121202021203 has 8 divisors (see below), whose sum is σ = 128371012272. Its totient is φ = 114037414656.

The previous prime is 121202021183. The next prime is 121202021221. The reversal of 121202021203 is 302120202121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121202021203 - 2⁹ = 121202020691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121202021903) 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, 1039125 + ... + 1149862.

It is an arithmetic number, because the mean of its divisors is an integer number (16046376534).

Almost surely, 2^121202021203 is an apocalyptic number.

121202021203 is a deficient number, since it is larger than the sum of its proper divisors (7168991069).

121202021203 is a wasteful number, since it uses less digits than its factorization.

121202021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192261.

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

Adding to 121202021203 its reverse (302120202121), we get a palindrome (423322223324).

The spelling of 121202021203 in words is "one hundred twenty-one billion, two hundred two million, twenty-one thousand, two hundred three".