1022201002000 has 80 divisors (see below), whose sum is σ = 2496154615344. Its totient is φ = 404832000000.

The previous prime is 1022201001973. The next prime is 1022201002103. The reversal of 1022201002000 is 2001022201.

It can be written as a sum of positive squares in 8 ways, for example, as 318420946944 + 703780055056 = 564288^2 + 838916^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2328201 + ... + 2732200.

Almost surely, 2^{1022201002000} is an apocalyptic number.

1022201002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022201002000 is an abundant number, since it is smaller than the sum of its proper divisors (1473953613344).

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

1022201002000 is a wasteful number, since it uses less digits than its factorization.

1022201002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060525 (or 5060509 counting only the distinct ones).

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

Adding to 1022201002000 its reverse (2001022201), we get a palindrome (1024202024201).

The spelling of 1022201002000 in words is "one trillion, twenty-two billion, two hundred one million, two thousand".