122111021021122 has 16 divisors (see below), whose sum is σ = 209513173056192. Its totient is φ = 52288296182640.

The previous prime is 122111021021111. The next prime is 122111021021131. The reversal of 122111021021122 is 221120120111221.

It is a happy number.

It is a super-2 number, since 2×122111021021122² (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 122111021021122.

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, 3749861529 + ... + 3749894092.

It is an arithmetic number, because the mean of its divisors is an integer number (13094573316012).

Almost surely, 2^{122111021021122} is an apocalyptic number.

122111021021122 is a deficient number, since it is larger than the sum of its proper divisors (87402152035070).

122111021021122 is a wasteful number, since it uses less digits than its factorization.

122111021021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499756793.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122111021021122 its reverse (221120120111221), we get a palindrome (343231141132343).

Subtracting 122111021021122 from its reverse (221120120111221), we obtain a palindrome (99009099090099).

The spelling of 122111021021122 in words is "one hundred twenty-two trillion, one hundred eleven billion, twenty-one million, twenty-one thousand, one hundred twenty-two".