1111211022010 has 16 divisors (see below), whose sum is σ = 2000301528456. Its totient is φ = 444457366848.

The previous prime is 1111211021981. The next prime is 1111211022011. The reversal of 1111211022010 is 102201121111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 611190913369 + 500020108641 = 781787^2 + 707121^2 .

It is not an unprimeable number, because it can be changed into a prime (1111211022011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3207237 + ... + 3536776.

Almost surely, 2^{1111211022010} is an apocalyptic number.

1111211022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111211022010 is a deficient number, since it is larger than the sum of its proper divisors (889090506446).

1111211022010 is a wasteful number, since it uses less digits than its factorization.

1111211022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760497.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111211022010 its reverse (102201121111), we get a palindrome (1213412143121).

The spelling of 1111211022010 in words is "one trillion, one hundred eleven billion, two hundred eleven million, twenty-two thousand, ten".