1111212011010 has 16 divisors (see below), whose sum is σ = 2666908826496. Its totient is φ = 296323202928.

The previous prime is 1111212011009. The next prime is 1111212011011. The reversal of 1111212011010 is 101102121111.

It is an interprime number because it is at equal distance from previous prime (1111212011009) and next prime (1111212011011).

It is a super-2 number, since 2×1111212011010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111212011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18520200154 + ... + 18520200213.

It is an arithmetic number, because the mean of its divisors is an integer number (166681801656).

Almost surely, 2^{1111212011010} is an apocalyptic number.

1111212011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111212011010 is an abundant number, since it is smaller than the sum of its proper divisors (1555696815486).

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

1111212011010 is a wasteful number, since it uses less digits than its factorization.

1111212011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37040400377.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111212011010 its reverse (101102121111), we get a palindrome (1212314132121).

The spelling of 1111212011010 in words is "one trillion, one hundred eleven billion, two hundred twelve million, eleven thousand, ten".