11212102221000 has 128 divisors (see below), whose sum is σ = 35085565532160. Its totient is φ = 2981021568000.

The previous prime is 11212102220981. The next prime is 11212102221031. The reversal of 11212102221000 is 12220121211.

It is a super-2 number, since 2×11212102221000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4534056 + ... + 6556055.

It is an arithmetic number, because the mean of its divisors is an integer number (274105980720).

Almost surely, 2^{11212102221000} is an apocalyptic number.

11212102221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212102221000 is an abundant number, since it is smaller than the sum of its proper divisors (23873463311160).

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

11212102221000 is a wasteful number, since it uses less digits than its factorization.

11212102221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090472 (or 11090458 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212102221000 its reverse (12220121211), we get a palindrome (11224322342211).

The spelling of 11212102221000 in words is "eleven trillion, two hundred twelve billion, one hundred two million, two hundred twenty-one thousand".