11211020021002 has 16 divisors (see below), whose sum is σ = 16941672057600. Its totient is φ = 5563856415600.

The previous prime is 11211020020979. The next prime is 11211020021011. The reversal of 11211020021002 is 20012002011211.

It is a super-2 number, since 2×11211020021002² (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, 14731602 + ... + 15473917.

It is an arithmetic number, because the mean of its divisors is an integer number (1058854503600).

Almost surely, 2^{11211020021002} is an apocalyptic number.

11211020021002 is a deficient number, since it is larger than the sum of its proper divisors (5730652036598).

11211020021002 is a wasteful number, since it uses less digits than its factorization.

11211020021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30206901.

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

Adding to 11211020021002 its reverse (20012002011211), we get a palindrome (31223022032213).

The spelling of 11211020021002 in words is "eleven trillion, two hundred eleven billion, twenty million, twenty-one thousand, two".