10212221406031 has 2 divisors, whose sum is σ = 10212221406032. Its totient is φ = 10212221406030.

The previous prime is 10212221406019. The next prime is 10212221406041. The reversal of 10212221406031 is 13060412221201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10212221406031 - 2³¹ = 10210073922383 is a prime.

It is a super-2 number, since 2×10212221406031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212221405987 and 10212221406005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212221406011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106110703015 + 5106110703016.

It is an arithmetic number, because the mean of its divisors is an integer number (5106110703016).

Almost surely, 2^{10212221406031} is an apocalyptic number.

10212221406031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212221406031 is an equidigital number, since it uses as much as digits as its factorization.

10212221406031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 10212221406031 its reverse (13060412221201), we get a palindrome (23272633627232).

The spelling of 10212221406031 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, four hundred six thousand, thirty-one".