122021111021122 has 8 divisors (see below), whose sum is σ = 183281368671036. Its totient is φ = 60927321464112.

The previous prime is 122021111021099. The next prime is 122021111021237. The reversal of 122021111021122 is 221120111120221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 81100128924721 + 40920982096401 = 9005561^2 + 6396951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122021111021122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41617021393 + ... + 41617024324.

Almost surely, 2^{122021111021122} is an apocalyptic number.

122021111021122 is a deficient number, since it is larger than the sum of its proper divisors (61260257649914).

122021111021122 is an equidigital number, since it uses as much as digits as its factorization.

122021111021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83234046452.

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

Adding to 122021111021122 its reverse (221120111120221), we get a palindrome (343141222141343).

Subtracting 122021111021122 from its reverse (221120111120221), we obtain a palindrome (99099000099099).

The spelling of 122021111021122 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred eleven million, twenty-one thousand, one hundred twenty-two".