1101221012122 has 128 divisors (see below), whose sum is σ = 2184735836160. Its totient is φ = 403306076160.

The previous prime is 1101221012107. The next prime is 1101221012159. The reversal of 1101221012122 is 2212101221011.

It is a junction number, because it is equal to n+sod(n) for n = 1101221012096 and 1101221012105.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 207892578 + ... + 207897874.

It is an arithmetic number, because the mean of its divisors is an integer number (17068248720).

Almost surely, 2^{1101221012122} is an apocalyptic number.

1101221012122 is a deficient number, since it is larger than the sum of its proper divisors (1083514824038).

1101221012122 is a wasteful number, since it uses less digits than its factorization.

1101221012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1101221012122 its reverse (2212101221011), we get a palindrome (3313322233133).

The spelling of 1101221012122 in words is "one trillion, one hundred one billion, two hundred twenty-one million, twelve thousand, one hundred twenty-two".