122000211101221 has 16 divisors (see below), whose sum is σ = 123238753694208. Its totient is φ = 120768767380800.

The previous prime is 122000211101207. The next prime is 122000211101243. The reversal of 122000211101221 is 122101112000221.

It is a cyclic number.

It is not a de Polignac number, because 122000211101221 - 2²³ = 122000202712613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000211101195 and 122000211101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000211107221) 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, 41940876 + ... + 44755306.

It is an arithmetic number, because the mean of its divisors is an integer number (7702422105888).

Almost surely, 2^{122000211101221} is an apocalyptic number.

It is an amenable number.

122000211101221 is a deficient number, since it is larger than the sum of its proper divisors (1238542592987).

122000211101221 is a wasteful number, since it uses less digits than its factorization.

122000211101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815692.

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

Adding to 122000211101221 its reverse (122101112000221), we get a palindrome (244101323101442).

The spelling of 122000211101221 in words is "one hundred twenty-two trillion, two hundred eleven million, one hundred one thousand, two hundred twenty-one".