10202020200122 has 4 divisors (see below), whose sum is σ = 15303030300186. Its totient is φ = 5101010100060.

The previous prime is 10202020200109. The next prime is 10202020200173. The reversal of 10202020200122 is 22100202020201.

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., 6872267493001 + 3329752707121 = 2621501^2 + 1824761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10202020200097 and 10202020200106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550505050029 + ... + 2550505050032.

Almost surely, 2^{10202020200122} is an apocalyptic number.

10202020200122 is a deficient number, since it is larger than the sum of its proper divisors (5101010100064).

10202020200122 is an equidigital number, since it uses as much as digits as its factorization.

10202020200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101010100063.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10202020200122 its reverse (22100202020201), we get a palindrome (32302222220323).

The spelling of 10202020200122 in words is "ten trillion, two hundred two billion, twenty million, two hundred thousand, one hundred twenty-two".