1020000000122 has 4 divisors (see below), whose sum is σ = 1530000000186. Its totient is φ = 510000000060.

The previous prime is 1020000000121. The next prime is 1020000000181. The reversal of 1020000000122 is 2210000000201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1014071154121 + 5928846001 = 1007011^2 + 76999^2 .

It is not an unprimeable number, because it can be changed into a prime (1020000000121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255000000029 + ... + 255000000032.

Almost surely, 2^{1020000000122} is an apocalyptic number.

1020000000122 is a deficient number, since it is larger than the sum of its proper divisors (510000000064).

1020000000122 is an equidigital number, since it uses as much as digits as its factorization.

1020000000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510000000063.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1020000000122 its reverse (2210000000201), we get a palindrome (3230000000323).

The spelling of 1020000000122 in words is "one trillion, twenty billion, one hundred twenty-two", and thus it is an aban number.