1001100210202 has 4 divisors (see below), whose sum is σ = 1501650315306. Its totient is φ = 500550105100.

The previous prime is 1001100210197. The next prime is 1001100210211. The reversal of 1001100210202 is 2020120011001.

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., 998918292681 + 2181917521 = 999459^2 + 46711^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250275052549 + ... + 250275052552.

Almost surely, 2^{1001100210202} is an apocalyptic number.

1001100210202 is a deficient number, since it is larger than the sum of its proper divisors (500550105104).

1001100210202 is an equidigital number, since it uses as much as digits as its factorization.

1001100210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500550105103.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001100210202 its reverse (2020120011001), we get a palindrome (3021220221203).

The spelling of 1001100210202 in words is "one trillion, one billion, one hundred million, two hundred ten thousand, two hundred two".