1022002110202 has 4 divisors (see below), whose sum is σ = 1533003165306. Its totient is φ = 511001055100.

The previous prime is 1022002110187. The next prime is 1022002110251. The reversal of 1022002110202 is 2020112002201.

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., 985868282281 + 36133827921 = 992909^2 + 190089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255500527549 + ... + 255500527552.

Almost surely, 2^{1022002110202} is an apocalyptic number.

1022002110202 is a deficient number, since it is larger than the sum of its proper divisors (511001055104).

1022002110202 is an equidigital number, since it uses as much as digits as its factorization.

1022002110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511001055103.

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

Adding to 1022002110202 its reverse (2020112002201), we get a palindrome (3042114112403).

The spelling of 1022002110202 in words is "one trillion, twenty-two billion, two million, one hundred ten thousand, two hundred two".