122221101121 has 16 divisors (see below), whose sum is σ = 141383660544. Its totient is φ = 103484491344.

The previous prime is 122221101109. The next prime is 122221101131. The reversal of 122221101121 is 121101122221.

It is a cyclic number.

It is not a de Polignac number, because 122221101121 - 2¹¹ = 122221099073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122221101095 and 122221101104.

It is not an unprimeable number, because it can be changed into a prime (122221101131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8316646 + ... + 8331328.

It is an arithmetic number, because the mean of its divisors is an integer number (8836478784).

Almost surely, 2^122221101121 is an apocalyptic number.

It is an amenable number.

122221101121 is a deficient number, since it is larger than the sum of its proper divisors (19162559423).

122221101121 is a wasteful number, since it uses less digits than its factorization.

122221101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29100.

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

Adding to 122221101121 its reverse (121101122221), we get a palindrome (243322223342).

The spelling of 122221101121 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred one thousand, one hundred twenty-one".