11211022021004 has 24 divisors (see below), whose sum is σ = 21128592696288. Its totient is φ = 5174286480000.

The previous prime is 11211022020959. The next prime is 11211022021099. The reversal of 11211022021004 is 40012022011211.

It is a super-2 number, since 2×11211022021004² (a number of 27 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 9509129 + ... + 10622879.

It is an arithmetic number, because the mean of its divisors is an integer number (880358029012).

Almost surely, 2^{11211022021004} is an apocalyptic number.

It is an amenable number.

11211022021004 is a deficient number, since it is larger than the sum of its proper divisors (9917570675284).

11211022021004 is a wasteful number, since it uses less digits than its factorization.

11211022021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307345 (or 1307343 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11211022021004 its reverse (40012022011211), we get a palindrome (51223044032215).

The spelling of 11211022021004 in words is "eleven trillion, two hundred eleven billion, twenty-two million, twenty-one thousand, four".