101013212197 has 2 divisors, whose sum is σ = 101013212198. Its totient is φ = 101013212196.

The previous prime is 101013212173. The next prime is 101013212219. The reversal of 101013212197 is 791212310101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90066612321 + 10946599876 = 300111^2 + 104626^2 .

It is a cyclic number.

It is not a de Polignac number, because 101013212197 - 2¹¹ = 101013210149 is a prime.

It is a super-2 number, since 2×101013212197² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101013212107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506606098 + 50506606099.

It is an arithmetic number, because the mean of its divisors is an integer number (50506606099).

Almost surely, 2^101013212197 is an apocalyptic number.

It is an amenable number.

101013212197 is a deficient number, since it is larger than the sum of its proper divisors (1).

101013212197 is an equidigital number, since it uses as much as digits as its factorization.

101013212197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 28.

Adding to 101013212197 its reverse (791212310101), we get a palindrome (892225522298).

The spelling of 101013212197 in words is "one hundred one billion, thirteen million, two hundred twelve thousand, one hundred ninety-seven".