1010111221100 has 36 divisors (see below), whose sum is σ = 2193168341784. Its totient is φ = 403818314880.

The previous prime is 1010111221079. The next prime is 1010111221157. The reversal of 1010111221100 is 11221110101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2647577 + ... + 3004976.

Almost surely, 2^{1010111221100} is an apocalyptic number.

1010111221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010111221100 is an abundant number, since it is smaller than the sum of its proper divisors (1183057120684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010111221100 is a wasteful number, since it uses less digits than its factorization.

1010111221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654354 (or 5654347 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1010111221100 its reverse (11221110101), we get a palindrome (1021332331201).

The spelling of 1010111221100 in words is "one trillion, ten billion, one hundred eleven million, two hundred twenty-one thousand, one hundred".