122011112200221 has 48 divisors (see below), whose sum is σ = 192889633457664. Its totient is φ = 74090703912192.

The previous prime is 122011112200217. The next prime is 122011112200253. The reversal of 122011112200221 is 122002211110221.

122011112200221 is a `hidden beast` number, since 1 + 220 + 1 + 1 + 1 + 1 + 220 + 0 + 221 = 666.

It is not a de Polignac number, because 122011112200221 - 2² = 122011112200217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122011112200194 and 122011112200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011112200721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169112616 + ... + 169832561.

It is an arithmetic number, because the mean of its divisors is an integer number (4018534030368).

Almost surely, 2^{122011112200221} is an apocalyptic number.

It is an amenable number.

122011112200221 is a deficient number, since it is larger than the sum of its proper divisors (70878521257443).

122011112200221 is a wasteful number, since it uses less digits than its factorization.

122011112200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338945290 (or 338945287 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122011112200221 its reverse (122002211110221), we get a palindrome (244013323310442).

The spelling of 122011112200221 in words is "one hundred twenty-two trillion, eleven billion, one hundred twelve million, two hundred thousand, two hundred twenty-one".