11220201220122 has 48 divisors (see below), whose sum is σ = 24538981091040. Its totient is φ = 3704910119136.

The previous prime is 11220201220117. The next prime is 11220201220219. The reversal of 11220201220122 is 22102210202211.

It is a happy number.

11220201220122 is a `hidden beast` number, since 1 + 1 + 220 + 201 + 220 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11220201220095 and 11220201220104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37270333 + ... + 37570175.

It is an arithmetic number, because the mean of its divisors is an integer number (511228772730).

Almost surely, 2^{11220201220122} is an apocalyptic number.

11220201220122 is an abundant number, since it is smaller than the sum of its proper divisors (13318779870918).

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

11220201220122 is a wasteful number, since it uses less digits than its factorization.

11220201220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319387 (or 319384 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11220201220122 its reverse (22102210202211), we get a palindrome (33322411422333).

The spelling of 11220201220122 in words is "eleven trillion, two hundred twenty billion, two hundred one million, two hundred twenty thousand, one hundred twenty-two".