1011100022010 has 48 divisors (see below), whose sum is σ = 2831080064904. Its totient is φ = 248886158976.

The previous prime is 1011100021993. The next prime is 1011100022057. The reversal of 1011100022010 is 102200011101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 432607437441 + 578492584569 = 657729^2 + 760587^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011100021983 and 1011100022001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432092857 + ... + 432095196.

Almost surely, 2^{1011100022010} is an apocalyptic number.

1011100022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011100022010 is an abundant number, since it is smaller than the sum of its proper divisors (1819980042894).

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

1011100022010 is a wasteful number, since it uses less digits than its factorization.

1011100022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864188079 (or 864188076 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1011100022010 its reverse (102200011101), we get a palindrome (1113300033111).

The spelling of 1011100022010 in words is "one trillion, eleven billion, one hundred million, twenty-two thousand, ten".