11211102200120 has 16 divisors (see below), whose sum is σ = 25224979950360. Its totient is φ = 4484440880032.

The previous prime is 11211102200107. The next prime is 11211102200143. The reversal of 11211102200120 is 2100220111211.

It is a junction number, because it is equal to n+sod(n) for n = 11211102200095 and 11211102200104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140138777462 + ... + 140138777541.

Almost surely, 2^{11211102200120} is an apocalyptic number.

11211102200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211102200120 is an abundant number, since it is smaller than the sum of its proper divisors (14013877750240).

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

11211102200120 is a wasteful number, since it uses less digits than its factorization.

11211102200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280277555014 (or 280277555010 counting only the distinct ones).

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

Adding to 11211102200120 its reverse (2100220111211), we get a palindrome (13311322311331).

The spelling of 11211102200120 in words is "eleven trillion, two hundred eleven billion, one hundred two million, two hundred thousand, one hundred twenty".