121222000211020 has 24 divisors (see below), whose sum is σ = 254579998096368. Its totient is φ = 48486171960000.

The previous prime is 121222000210931. The next prime is 121222000211033. The reversal of 121222000211020 is 20112000222121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121222000210985 and 121222000211003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163879531 + ... + 164617570.

It is an arithmetic number, because the mean of its divisors is an integer number (10607499920682).

Almost surely, 2^{121222000211020} is an apocalyptic number.

121222000211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222000211020 is an abundant number, since it is smaller than the sum of its proper divisors (133357997885348).

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

121222000211020 is a wasteful number, since it uses less digits than its factorization.

121222000211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328515561 (or 328515559 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121222000211020 its reverse (20112000222121), we get a palindrome (141334000433141).

The spelling of 121222000211020 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred eleven thousand, twenty".