11211211020202 has 16 divisors (see below), whose sum is σ = 17138779025472. Its totient is φ = 5499301937760.

The previous prime is 11211211020199. The next prime is 11211211020211. The reversal of 11211211020202 is 20202011211211.

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, 254292699 + ... + 254336782.

It is an arithmetic number, because the mean of its divisors is an integer number (1071173689092).

Almost surely, 2^{11211211020202} is an apocalyptic number.

11211211020202 is a deficient number, since it is larger than the sum of its proper divisors (5927568005270).

11211211020202 is a wasteful number, since it uses less digits than its factorization.

11211211020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508629693.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11211211020202 its reverse (20202011211211), we get a palindrome (31413222231413).

The spelling of 11211211020202 in words is "eleven trillion, two hundred eleven billion, two hundred eleven million, twenty thousand, two hundred two".