11212111021302 has 24 divisors (see below), whose sum is σ = 24467676334920. Its totient is φ = 3710482783200.

The previous prime is 11212111021301. The next prime is 11212111021313. The reversal of 11212111021302 is 20312011121211.

It is a happy number.

11212111021302 is a `hidden beast` number, since 1 + 121 + 211 + 10 + 21 + 302 = 666.

It is a super-2 number, since 2×11212111021302² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212111021301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2240627199 + ... + 2240632202.

It is an arithmetic number, because the mean of its divisors is an integer number (1019486513955).

Almost surely, 2^{11212111021302} is an apocalyptic number.

11212111021302 is an abundant number, since it is smaller than the sum of its proper divisors (13255565313618).

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

11212111021302 is a wasteful number, since it uses less digits than its factorization.

11212111021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481259548 (or 4481259545 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11212111021302 its reverse (20312011121211), we get a palindrome (31524122142513).

Subtracting 11212111021302 from its reverse (20312011121211), we obtain a palindrome (9099900099909).

The spelling of 11212111021302 in words is "eleven trillion, two hundred twelve billion, one hundred eleven million, twenty-one thousand, three hundred two".