121131303212210 has 8 divisors (see below), whose sum is σ = 218036345781996. Its totient is φ = 48452521284880.

The previous prime is 121131303212203. The next prime is 121131303212243. The reversal of 121131303212210 is 12212303131121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111012332265121 + 10118970947089 = 10536239^2 + 3181033^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6056565160601 + ... + 6056565160620.

Almost surely, 2^{121131303212210} is an apocalyptic number.

121131303212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121131303212210 is a deficient number, since it is larger than the sum of its proper divisors (96905042569786).

121131303212210 is a wasteful number, since it uses less digits than its factorization.

121131303212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113130321228.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121131303212210 its reverse (12212303131121), we get a palindrome (133343606343331).

The spelling of 121131303212210 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred three million, two hundred twelve thousand, two hundred ten".