20000000121122 has 32 divisors (see below), whose sum is σ = 35061313795200. Its totient is φ = 8552835367440.

The previous prime is 20000000121113. The next prime is 20000000121149. The reversal of 20000000121122 is 22112100000002.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 31304708 + ... + 31937199.

It is an arithmetic number, because the mean of its divisors is an integer number (1095666056100).

Almost surely, 2^{20000000121122} is an apocalyptic number.

20000000121122 is a deficient number, since it is larger than the sum of its proper divisors (15061313674078).

20000000121122 is an equidigital number, since it uses as much as digits as its factorization.

20000000121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63242391 (or 63242377 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20000000121122 its reverse (22112100000002), we get a palindrome (42112100121124).

The spelling of 20000000121122 in words is "twenty trillion, one hundred twenty-one thousand, one hundred twenty-two".