11211222010120 has 64 divisors (see below), whose sum is σ = 27790914075840. Its totient is φ = 4036443552000.

The previous prime is 11211222010069. The next prime is 11211222010133. The reversal of 11211222010120 is 2101022211211.

It is a junction number, because it is equal to n+sod(n) for n = 11211222010094 and 11211222010103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126094422 + ... + 126183301.

It is an arithmetic number, because the mean of its divisors is an integer number (434233032435).

Almost surely, 2^{11211222010120} is an apocalyptic number.

11211222010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211222010120 is an abundant number, since it is smaller than the sum of its proper divisors (16579692065720).

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

11211222010120 is a wasteful number, since it uses less digits than its factorization.

11211222010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252277846 (or 252277842 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11211222010120 its reverse (2101022211211), we get a palindrome (13312244221331).

The spelling of 11211222010120 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-two million, ten thousand, one hundred twenty".