121301131001 has 4 divisors (see below), whose sum is σ = 121691167104. Its totient is φ = 120911094900.

The previous prime is 121301130989. The next prime is 121301131013. The reversal of 121301131001 is 100131103121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (121301130989) and next prime (121301131013).

It is a cyclic number.

It is not a de Polignac number, because 121301131001 - 2¹⁰ = 121301129977 is a prime.

It is a super-3 number, since 3×121301131001³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121301131051) 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, 195017585 + ... + 195018206.

It is an arithmetic number, because the mean of its divisors is an integer number (30422791776).

Almost surely, 2^121301131001 is an apocalyptic number.

It is an amenable number.

121301131001 is a deficient number, since it is larger than the sum of its proper divisors (390036103).

121301131001 is an equidigital number, since it uses as much as digits as its factorization.

121301131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390036102.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 121301131001 its reverse (100131103121), we get a palindrome (221432234122).

The spelling of 121301131001 in words is "one hundred twenty-one billion, three hundred one million, one hundred thirty-one thousand, one".