11221121220122 has 32 divisors (see below), whose sum is σ = 18963617163264. Its totient is φ = 4933512183600.

The previous prime is 11221121220103. The next prime is 11221121220131. The reversal of 11221121220122 is 22102212112211.

It is a super-2 number, since 2×11221121220122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221121220094 and 11221121220103.

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, 2741108 + ... + 5473199.

It is an arithmetic number, because the mean of its divisors is an integer number (592613036352).

Almost surely, 2^{11221121220122} is an apocalyptic number.

11221121220122 is a deficient number, since it is larger than the sum of its proper divisors (7742495943142).

11221121220122 is a wasteful number, since it uses less digits than its factorization.

11221121220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216354.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11221121220122 its reverse (22102212112211), we get a palindrome (33323333332333).

The spelling of 11221121220122 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".