1022100000202 has 4 divisors (see below), whose sum is σ = 1533150000306. Its totient is φ = 511050000100.

The previous prime is 1022100000179. The next prime is 1022100000209. The reversal of 1022100000202 is 2020000012201.

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., 1012722208281 + 9377791921 = 1006341^2 + 96839^2 .

It is not an unprimeable number, because it can be changed into a prime (1022100000209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255525000049 + ... + 255525000052.

Almost surely, 2^{1022100000202} is an apocalyptic number.

1022100000202 is a deficient number, since it is larger than the sum of its proper divisors (511050000104).

1022100000202 is an equidigital number, since it uses as much as digits as its factorization.

1022100000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511050000103.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1022100000202 its reverse (2020000012201), we get a palindrome (3042100012403).

The spelling of 1022100000202 in words is "one trillion, twenty-two billion, one hundred million, two hundred two", and thus it is an aban number.