1001021222202 has 64 divisors (see below), whose sum is σ = 2138165164800. Its totient is φ = 311337962496.

The previous prime is 1001021222183. The next prime is 1001021222221. The reversal of 1001021222202 is 2022221201001.

It is an interprime number because it is at equal distance from previous prime (1001021222183) and next prime (1001021222221).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5533528 + ... + 5711564.

It is an arithmetic number, because the mean of its divisors is an integer number (33408830700).

Almost surely, 2^{1001021222202} is an apocalyptic number.

1001021222202 is an abundant number, since it is smaller than the sum of its proper divisors (1137143942598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001021222202 is a wasteful number, since it uses less digits than its factorization.

1001021222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178535.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1001021222202 its reverse (2022221201001), we get a palindrome (3023242423203).

The spelling of 1001021222202 in words is "one trillion, one billion, twenty-one million, two hundred twenty-two thousand, two hundred two".