1000202201122 has 4 divisors (see below), whose sum is σ = 1500303301686. Its totient is φ = 500101100560.

The previous prime is 1000202201111. The next prime is 1000202201137. The reversal of 1000202201122 is 2211022020001.

It is a happy number.

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., 907353407601 + 92848793521 = 952551^2 + 304711^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250050550279 + ... + 250050550282.

Almost surely, 2^{1000202201122} is an apocalyptic number.

1000202201122 is a deficient number, since it is larger than the sum of its proper divisors (500101100564).

1000202201122 is an equidigital number, since it uses as much as digits as its factorization.

1000202201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500101100563.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000202201122 its reverse (2211022020001), we get a palindrome (3211224221123).

The spelling of 1000202201122 in words is "one trillion, two hundred two million, two hundred one thousand, one hundred twenty-two".