1111222011010 has 16 divisors (see below), whose sum is σ = 2002544535096. Its totient is φ = 443967712128.

The previous prime is 1111222010993. The next prime is 1111222011043. The reversal of 1111222011010 is 101102221111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 486013939609 + 625208071401 = 697147^2 + 790701^2 .

It is a super-2 number, since 2×1111222011010² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65127579 + ... + 65144638.

Almost surely, 2^{1111222011010} is an apocalyptic number.

1111222011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111222011010 is a deficient number, since it is larger than the sum of its proper divisors (891322524086).

1111222011010 is a wasteful number, since it uses less digits than its factorization.

1111222011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130273077.

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

Adding to 1111222011010 its reverse (101102221111), we get a palindrome (1212324232121).

The spelling of 1111222011010 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, eleven thousand, ten".