11211020001002 has 4 divisors (see below), whose sum is σ = 16816530001506. Its totient is φ = 5605510000500.

The previous prime is 11211020001001. The next prime is 11211020001017. The reversal of 11211020001002 is 20010002011211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8818340045761 + 2392679955241 = 2969569^2 + 1546829^2 .

It is not an unprimeable number, because it can be changed into a prime (11211020001001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802755000249 + ... + 2802755000252.

Almost surely, 2^{11211020001002} is an apocalyptic number.

11211020001002 is a deficient number, since it is larger than the sum of its proper divisors (5605510000504).

11211020001002 is an equidigital number, since it uses as much as digits as its factorization.

11211020001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605510000503.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11211020001002 its reverse (20010002011211), we get a palindrome (31221022012213).

The spelling of 11211020001002 in words is "eleven trillion, two hundred eleven billion, twenty million, one thousand, two".