1111220212010 has 8 divisors (see below), whose sum is σ = 2000196381636. Its totient is φ = 444488084800.

The previous prime is 1111220211989. The next prime is 1111220212013. The reversal of 1111220212010 is 102120221111.

It can be written as a sum of positive squares in 2 ways, for example, as 1081835052769 + 29385159241 = 1040113^2 + 171421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1111220212013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55561010591 + ... + 55561010610.

Almost surely, 2^{1111220212010} is an apocalyptic number.

1111220212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111220212010 is a deficient number, since it is larger than the sum of its proper divisors (888976169626).

1111220212010 is a wasteful number, since it uses less digits than its factorization.

1111220212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111122021208.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111220212010 its reverse (102120221111), we get a palindrome (1213340433121).

The spelling of 1111220212010 in words is "one trillion, one hundred eleven billion, two hundred twenty million, two hundred twelve thousand, ten".