221211020112122 has 48 divisors (see below), whose sum is σ = 344741981375232. Its totient is φ = 106445134800000.

The previous prime is 221211020112067. The next prime is 221211020112143.

221211020112122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221211020112094 and 221211020112103.

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, 90819347 + ... + 93223257.

It is an arithmetic number, because the mean of its divisors is an integer number (7182124611984).

Almost surely, 2^{221211020112122} is an apocalyptic number.

221211020112122 is a deficient number, since it is larger than the sum of its proper divisors (123530961263110).

221211020112122 is a wasteful number, since it uses less digits than its factorization.

221211020112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404367 (or 2404326 counting only the distinct ones).

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

The spelling of 221211020112122 in words is "two hundred twenty-one trillion, two hundred eleven billion, twenty million, one hundred twelve thousand, one hundred twenty-two".