131121101202010 has 8 divisors (see below), whose sum is σ = 236017982163636. Its totient is φ = 52448440480800.

The previous prime is 131121101201999. The next prime is 131121101202017. The reversal of 131121101202010 is 10202101121131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120629649821409 + 10491451380601 = 10983153^2 + 3239051^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131121101202017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6556055060091 + ... + 6556055060110.

Almost surely, 2^{131121101202010} is an apocalyptic number.

131121101202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131121101202010 is a deficient number, since it is larger than the sum of its proper divisors (104896880961626).

131121101202010 is a wasteful number, since it uses less digits than its factorization.

131121101202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112110120208.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 131121101202010 its reverse (10202101121131), we get a palindrome (141323202323141).

The spelling of 131121101202010 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, one hundred one million, two hundred two thousand, ten".