122112100021222 has 16 divisors (see below), whose sum is σ = 183467097752400. Its totient is φ = 60956453376000.

The previous prime is 122112100021199. The next prime is 122112100021313. The reversal of 122112100021222 is 222120001211221.

It is a super-2 number, since 2×122112100021222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122112100021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8506279 + ... + 17792722.

It is an arithmetic number, because the mean of its divisors is an integer number (11466693609525).

Almost surely, 2^{122112100021222} is an apocalyptic number.

122112100021222 is a deficient number, since it is larger than the sum of its proper divisors (61354997731178).

122112100021222 is a wasteful number, since it uses less digits than its factorization.

122112100021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26302791.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122112100021222 its reverse (222120001211221), we get a palindrome (344232101232443).

The spelling of 122112100021222 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred million, twenty-one thousand, two hundred twenty-two".