106236264021 has 24 divisors (see below), whose sum is σ = 149717101920. Its totient is φ = 66926906592.

The previous prime is 106236264011. The next prime is 106236264037. The reversal of 106236264021 is 120462632601.

It is a de Polignac number, because none of the positive numbers 2^k-106236264021 is a prime.

It is a super-2 number, since 2×106236264021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106236264011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84211 + ... + 468576.

It is an arithmetic number, because the mean of its divisors is an integer number (6238212580).

Almost surely, 2^106236264021 is an apocalyptic number.

It is an amenable number.

106236264021 is a deficient number, since it is larger than the sum of its proper divisors (43480837899).

106236264021 is an equidigital number, since it uses as much as digits as its factorization.

106236264021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552913 (or 552866 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 106236264021 its reverse (120462632601), we get a palindrome (226698896622).

The spelling of 106236264021 in words is "one hundred six billion, two hundred thirty-six million, two hundred sixty-four thousand, twenty-one".