1010200121122 has 4 divisors (see below), whose sum is σ = 1515300181686. Its totient is φ = 505100060560.

The previous prime is 1010200121107. The next prime is 1010200121123. The reversal of 1010200121122 is 2211210020101.

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., 961358679121 + 48841442001 = 980489^2 + 221001^2 .

It is not an unprimeable number, because it can be changed into a prime (1010200121123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252550030279 + ... + 252550030282.

Almost surely, 2^{1010200121122} is an apocalyptic number.

1010200121122 is a deficient number, since it is larger than the sum of its proper divisors (505100060564).

1010200121122 is an equidigital number, since it uses as much as digits as its factorization.

1010200121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505100060563.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1010200121122 its reverse (2211210020101), we get a palindrome (3221410141223).

The spelling of 1010200121122 in words is "one trillion, ten billion, two hundred million, one hundred twenty-one thousand, one hundred twenty-two".