106427034421 has 2 divisors, whose sum is σ = 106427034422. Its totient is φ = 106427034420.

The previous prime is 106427034401. The next prime is 106427034443. The reversal of 106427034421 is 124430724601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62152983025 + 44274051396 = 249305^2 + 210414^2 .

It is an emirp because it is prime and its reverse (124430724601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106427034421 - 2¹³ = 106427026229 is a prime.

It is a super-2 number, since 2×106427034421² (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 (106427034401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53213517210 + 53213517211.

It is an arithmetic number, because the mean of its divisors is an integer number (53213517211).

Almost surely, 2^106427034421 is an apocalyptic number.

It is an amenable number.

106427034421 is a deficient number, since it is larger than the sum of its proper divisors (1).

106427034421 is an equidigital number, since it uses as much as digits as its factorization.

106427034421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 106427034421 in words is "one hundred six billion, four hundred twenty-seven million, thirty-four thousand, four hundred twenty-one".