1100201021010 has 192 divisors, whose sum is σ = 3615796783872. Its totient is φ = 225856470528.

The previous prime is 1100201020993. The next prime is 1100201021021. The reversal of 1100201021010 is 101201020011.

It is a happy number.

It is a super-2 number, since 2×1100201021010² (a number of 25 digits) contains 22 as substring.

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 = 1100201020983 and 1100201021001.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1512304 + ... + 2118363.

It is an arithmetic number, because the mean of its divisors is an integer number (18832274916).

Almost surely, 2^{1100201021010} is an apocalyptic number.

1100201021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100201021010 is an abundant number, since it is smaller than the sum of its proper divisors (2515595762862).

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

1100201021010 is a wasteful number, since it uses less digits than its factorization.

1100201021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630737 (or 3630734 counting only the distinct ones).

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

Adding to 1100201021010 its reverse (101201020011), we get a palindrome (1201402041021).

Subtracting from 1100201021010 its reverse (101201020011), we obtain a palindrome (999000000999).

The spelling of 1100201021010 in words is "one trillion, one hundred billion, two hundred one million, twenty-one thousand, ten".