11212122002000 has 80 divisors (see below), whose sum is σ = 27232485676032. Its totient is φ = 4464737193600.

The previous prime is 11212122001987. The next prime is 11212122002017. The reversal of 11212122002000 is 20022121211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 12123644 + ... + 13015643.

Almost surely, 2^{11212122002000} is an apocalyptic number.

11212122002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212122002000 is an abundant number, since it is smaller than the sum of its proper divisors (16020363674032).

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

11212122002000 is a wasteful number, since it uses less digits than its factorization.

11212122002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25139533 (or 25139517 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11212122002000 its reverse (20022121211), we get a palindrome (11232144123211).

The spelling of 11212122002000 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-two million, two thousand".