11211010100212 has 24 divisors (see below), whose sum is σ = 21128658213600. Its totient is φ = 5174259431136.

The previous prime is 11211010100179. The next prime is 11211010100231. The reversal of 11211010100212 is 21200101011211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11211010100192 and 11211010100201.

It is a congruent number.

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, 4280739 + ... + 6383317.

It is an arithmetic number, because the mean of its divisors is an integer number (880360758900).

Almost surely, 2^{11211010100212} is an apocalyptic number.

It is an amenable number.

11211010100212 is a deficient number, since it is larger than the sum of its proper divisors (9917648113388).

11211010100212 is a wasteful number, since it uses less digits than its factorization.

11211010100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205135 (or 2205133 counting only the distinct ones).

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

Adding to 11211010100212 its reverse (21200101011211), we get a palindrome (32411111111423).

The spelling of 11211010100212 in words is "eleven trillion, two hundred eleven billion, ten million, one hundred thousand, two hundred twelve".