1100212258887 has 32 divisors (see below), whose sum is σ = 1864245557760. Its totient is φ = 628202563200.

The previous prime is 1100212258883. The next prime is 1100212258889. The reversal of 1100212258887 is 7888522120011.

1100212258887 is a `hidden beast` number, since 1 + 100 + 212 + 258 + 8 + 87 = 666.

It is not a de Polignac number, because 1100212258887 - 2² = 1100212258883 is a prime.

It is a super-2 number, since 2×1100212258887² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100212258883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2026114 + ... + 2511087.

It is an arithmetic number, because the mean of its divisors is an integer number (58257673680).

Almost surely, 2^{1100212258887} is an apocalyptic number.

1100212258887 is a deficient number, since it is larger than the sum of its proper divisors (764033298873).

1100212258887 is a wasteful number, since it uses less digits than its factorization.

1100212258887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538500 (or 4538494 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

Adding to 1100212258887 its reverse (7888522120011), we get a palindrome (8988734378898).

The spelling of 1100212258887 in words is "one trillion, one hundred billion, two hundred twelve million, two hundred fifty-eight thousand, eight hundred eighty-seven".