11211011210120 has 32 divisors (see below), whose sum is σ = 25225089422400. Its totient is φ = 4484348626368.

The previous prime is 11211011210111. The next prime is 11211011210183. The reversal of 11211011210120 is 2101211011211.

It is a junction number, because it is equal to n+sod(n) for n = 11211011210095 and 11211011210104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1584317 + ... + 4993203.

It is an arithmetic number, because the mean of its divisors is an integer number (788284044450).

Almost surely, 2^{11211011210120} is an apocalyptic number.

11211011210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211011210120 is an abundant number, since it is smaller than the sum of its proper divisors (14014078212280).

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

11211011210120 is a wasteful number, since it uses less digits than its factorization.

11211011210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491117 (or 3491113 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11211011210120 its reverse (2101211011211), we get a palindrome (13312222221331).

The spelling of 11211011210120 in words is "eleven trillion, two hundred eleven billion, eleven million, two hundred ten thousand, one hundred twenty".