121203321141 has 64 divisors (see below), whose sum is σ = 191454658560. Its totient is φ = 66767500800.

The previous prime is 121203321101. The next prime is 121203321157. The reversal of 121203321141 is 141123302121.

It is not a de Polignac number, because 121203321141 - 2¹⁸ = 121203058997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121203321101) 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 63 ways as a sum of consecutive naturals, for example, 62122716 + ... + 62124666.

It is an arithmetic number, because the mean of its divisors is an integer number (2991479040).

Almost surely, 2^121203321141 is an apocalyptic number.

It is an amenable number.

121203321141 is a deficient number, since it is larger than the sum of its proper divisors (70251337419).

121203321141 is a wasteful number, since it uses less digits than its factorization.

121203321141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121203321141 its reverse (141123302121), we get a palindrome (262326623262).

The spelling of 121203321141 in words is "one hundred twenty-one billion, two hundred three million, three hundred twenty-one thousand, one hundred forty-one".