122121010221222 has 32 divisors (see below), whose sum is σ = 249089870615040. Its totient is φ = 39900506836320.

The previous prime is 122121010221209. The next prime is 122121010221233. The reversal of 122121010221222 is 222122010121221.

It is a super-2 number, since 2×122121010221222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184476304 + ... + 185137107.

It is an arithmetic number, because the mean of its divisors is an integer number (7784058456720).

Almost surely, 2^{122121010221222} is an apocalyptic number.

122121010221222 is an abundant number, since it is smaller than the sum of its proper divisors (126968860393818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122121010221222 is a wasteful number, since it uses less digits than its factorization.

122121010221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369614508.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122121010221222 its reverse (222122010121221), we get a palindrome (344243020342443).

The spelling of 122121010221222 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, ten million, two hundred twenty-one thousand, two hundred twenty-two".