1100021122010 has 32 divisors (see below), whose sum is σ = 1985471082000. Its totient is φ = 438802629120.

The previous prime is 1100021122007. The next prime is 1100021122019. The reversal of 1100021122010 is 102211200011.

It can be written as a sum of positive squares in 8 ways, for example, as 257658775201 + 842362346809 = 507601^2 + 917803^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1100021121982 and 1100021122000.

It is not an unprimeable number, because it can be changed into a prime (1100021122019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5714816 + ... + 5904164.

Almost surely, 2^{1100021122010} is an apocalyptic number.

1100021122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100021122010 is a deficient number, since it is larger than the sum of its proper divisors (885449959990).

1100021122010 is a wasteful number, since it uses less digits than its factorization.

1100021122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190946.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1100021122010 its reverse (102211200011), we get a palindrome (1202232322021).

The spelling of 1100021122010 in words is "one trillion, one hundred billion, twenty-one million, one hundred twenty-two thousand, ten".