121301100201031 has 2 divisors, whose sum is σ = 121301100201032. Its totient is φ = 121301100201030.

The previous prime is 121301100200993. The next prime is 121301100201059. The reversal of 121301100201031 is 130102001103121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121301100201031 - 2⁹ = 121301100200519 is a prime.

It is a super-2 number, since 2×121301100201031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121301100200996 and 121301100201014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121301100241031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650550100515 + 60650550100516.

It is an arithmetic number, because the mean of its divisors is an integer number (60650550100516).

Almost surely, 2^{121301100201031} is an apocalyptic number.

121301100201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301100201031 is an equidigital number, since it uses as much as digits as its factorization.

121301100201031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121301100201031 its reverse (130102001103121), we get a palindrome (251403101304152).

The spelling of 121301100201031 in words is "one hundred twenty-one trillion, three hundred one billion, one hundred million, two hundred one thousand, thirty-one".