10212100120031 has 2 divisors, whose sum is σ = 10212100120032. Its totient is φ = 10212100120030.

The previous prime is 10212100119931. The next prime is 10212100120069. The reversal of 10212100120031 is 13002100121201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10212100120031 is a prime.

It is a super-2 number, since 2×10212100120031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212100119988 and 10212100120015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212100122031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106050060015 + 5106050060016.

It is an arithmetic number, because the mean of its divisors is an integer number (5106050060016).

Almost surely, 2^{10212100120031} is an apocalyptic number.

10212100120031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212100120031 is an equidigital number, since it uses as much as digits as its factorization.

10212100120031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10212100120031 its reverse (13002100121201), we get a palindrome (23214200241232).

The spelling of 10212100120031 in words is "ten trillion, two hundred twelve billion, one hundred million, one hundred twenty thousand, thirty-one".