121131331010210 has 8 divisors (see below), whose sum is σ = 218036395818396. Its totient is φ = 48452532404080.

The previous prime is 121131331010167. The next prime is 121131331010233. The reversal of 121131331010210 is 12010133131121.

It can be written as a sum of positive squares in 2 ways, for example, as 99894008100601 + 21237322909609 = 9994699^2 + 4608397^2 .

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, 6056566550501 + ... + 6056566550520.

Almost surely, 2^{121131331010210} is an apocalyptic number.

121131331010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121131331010210 is a deficient number, since it is larger than the sum of its proper divisors (96905064808186).

121131331010210 is a wasteful number, since it uses less digits than its factorization.

121131331010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113133101028.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 121131331010210 its reverse (12010133131121), we get a palindrome (133141464141331).

The spelling of 121131331010210 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred thirty-one million, ten thousand, two hundred ten".