11012012221000 has 64 divisors (see below), whose sum is σ = 29449266986880. Its totient is φ = 3775547044800.

The previous prime is 11012012220877. The next prime is 11012012221013. The reversal of 11012012221000 is 12221021011.

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 15 ways as a sum of consecutive naturals, for example, 786565302 + ... + 786579301.

It is an arithmetic number, because the mean of its divisors is an integer number (460144796670).

Almost surely, 2^{11012012221000} is an apocalyptic number.

11012012221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012012221000 is an abundant number, since it is smaller than the sum of its proper divisors (18437254765880).

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

11012012221000 is a wasteful number, since it uses less digits than its factorization.

11012012221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573144631 (or 1573144617 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11012012221000 its reverse (12221021011), we get a palindrome (11024233242011).

The spelling of 11012012221000 in words is "eleven trillion, twelve billion, twelve million, two hundred twenty-one thousand".