11211220302 has 32 divisors (see below), whose sum is σ = 22482828288. Its totient is φ = 3727024896.

The previous prime is 11211220259. The next prime is 11211220337. The reversal of 11211220302 is 20302211211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6148963 + ... + 6150785.

It is an arithmetic number, because the mean of its divisors is an integer number (702588384).

Almost surely, 2^11211220302 is an apocalyptic number.

11211220302 is an abundant number, since it is smaller than the sum of its proper divisors (11271607986).

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

11211220302 is a wasteful number, since it uses less digits than its factorization.

11211220302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11211220302 its reverse (20302211211), we get a palindrome (31513431513).

Subtracting 11211220302 from its reverse (20302211211), we obtain a palindrome (9090990909).

The spelling of 11211220302 in words is "eleven billion, two hundred eleven million, two hundred twenty thousand, three hundred two".