11201020122 has 32 divisors (see below), whose sum is σ = 22471271424. Its totient is φ = 3722154800.

The previous prime is 11201020097. The next prime is 11201020147. The reversal of 11201020122 is 22102010211.

It is an interprime number because it is at equal distance from previous prime (11201020097) and next prime (11201020147).

It is a junction number, because it is equal to n+sod(n) for n = 11201020098 and 11201020107.

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, 3206797 + ... + 3210287.

It is an arithmetic number, because the mean of its divisors is an integer number (702227232).

Almost surely, 2^11201020122 is an apocalyptic number.

11201020122 is an abundant number, since it is smaller than the sum of its proper divisors (11270251302).

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

11201020122 is a wasteful number, since it uses less digits than its factorization.

11201020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11201020122 its reverse (22102010211), we get a palindrome (33303030333).

The spelling of 11201020122 in words is "eleven billion, two hundred one million, twenty thousand, one hundred twenty-two".