106026316421 has 2 divisors, whose sum is σ = 106026316422. Its totient is φ = 106026316420.

The previous prime is 106026316387. The next prime is 106026316447. The reversal of 106026316421 is 124613620601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94503367396 + 11522949025 = 307414^2 + 107345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106026316421 is a prime.

It is a super-2 number, since 2×106026316421² (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 (106026310421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53013158210 + 53013158211.

It is an arithmetic number, because the mean of its divisors is an integer number (53013158211).

Almost surely, 2^106026316421 is an apocalyptic number.

It is an amenable number.

106026316421 is a deficient number, since it is larger than the sum of its proper divisors (1).

106026316421 is an equidigital number, since it uses as much as digits as its factorization.

106026316421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 106026316421 in words is "one hundred six billion, twenty-six million, three hundred sixteen thousand, four hundred twenty-one".