100265220056 has 16 divisors (see below), whose sum is σ = 188609661240. Its totient is φ = 49969310400.

The previous prime is 100265220053. The next prime is 100265220059. The reversal of 100265220056 is 650022562001.

It is an interprime number because it is at equal distance from previous prime (100265220053) and next prime (100265220059).

It is a super-2 number, since 2×100265220056² (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 (100265220053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20409845 + ... + 20414756.

Almost surely, 2^100265220056 is an apocalyptic number.

It is an amenable number.

100265220056 is a deficient number, since it is larger than the sum of its proper divisors (88344441184).

100265220056 is a wasteful number, since it uses less digits than its factorization.

100265220056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40824914 (or 40824910 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 100265220056 its reverse (650022562001), we get a palindrome (750287782057).

The spelling of 100265220056 in words is "one hundred billion, two hundred sixty-five million, two hundred twenty thousand, fifty-six".