1101220122 has 16 divisors (see below), whose sum is σ = 2261966112. Its totient is φ = 357152400.

The previous prime is 1101220121. The next prime is 1101220157. The reversal of 1101220122 is 2210221011.

It is a junction number, because it is equal to n+sod(n) for n = 1101220098 and 1101220107.

It is not an unprimeable number, because it can be changed into a prime (1101220121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2480004 + ... + 2480447.

It is an arithmetic number, because the mean of its divisors is an integer number (141372882).

Almost surely, 2^1101220122 is an apocalyptic number.

1101220122 is an abundant number, since it is smaller than the sum of its proper divisors (1160745990).

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

1101220122 is a wasteful number, since it uses less digits than its factorization.

1101220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960493.

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

The square root of 1101220122 is about 33184.6368369461. The cubic root of 1101220122 is about 1032.6616434209.

Adding to 1101220122 its reverse (2210221011), we get a palindrome (3311441133).

The spelling of 1101220122 in words is "one billion, one hundred one million, two hundred twenty thousand, one hundred twenty-two".