102212101021031 has 2 divisors, whose sum is σ = 102212101021032. Its totient is φ = 102212101021030.

The previous prime is 102212101021013. The next prime is 102212101021057. The reversal of 102212101021031 is 130120101212201.

It is a happy number.

Together with previous prime (102212101021013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102212101021031 - 2³⁸ = 101937223114087 is a prime.

It is a super-2 number, since 2×102212101021031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212101021081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106050510515 + 51106050510516.

It is an arithmetic number, because the mean of its divisors is an integer number (51106050510516).

Almost surely, 2^{102212101021031} is an apocalyptic number.

102212101021031 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212101021031 is an equidigital number, since it uses as much as digits as its factorization.

102212101021031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102212101021031 its reverse (130120101212201), we get a palindrome (232332202233232).

The spelling of 102212101021031 in words is "one hundred two trillion, two hundred twelve billion, one hundred one million, twenty-one thousand, thirty-one".