11211002111212 has 24 divisors (see below), whose sum is σ = 19723814772480. Its totient is φ = 5575631946240.

The previous prime is 11211002111207. The next prime is 11211002111237. The reversal of 11211002111212 is 21211120011211.

It is a super-2 number, since 2×11211002111212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7562748 + ... + 8922844.

It is an arithmetic number, because the mean of its divisors is an integer number (821825615520).

Almost surely, 2^{11211002111212} is an apocalyptic number.

It is an amenable number.

11211002111212 is a deficient number, since it is larger than the sum of its proper divisors (8512812661268).

11211002111212 is a wasteful number, since it uses less digits than its factorization.

11211002111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371081 (or 1371079 counting only the distinct ones).

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

Adding to 11211002111212 its reverse (21211120011211), we get a palindrome (32422122122423).

The spelling of 11211002111212 in words is "eleven trillion, two hundred eleven billion, two million, one hundred eleven thousand, two hundred twelve".