1001022200001 has 12 divisors (see below), whose sum is σ = 1445931799312. Its totient is φ = 667343128536.

The previous prime is 1001022199999. The next prime is 1001022200047. The reversal of 1001022200001 is 1000022201001.

It is not a de Polignac number, because 1001022200001 - 2¹ = 1001022199999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1001022202001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165890 + ... + 1833396.

Almost surely, 2^{1001022200001} is an apocalyptic number.

It is an amenable number.

1001022200001 is a deficient number, since it is larger than the sum of its proper divisors (444909599311).

1001022200001 is a wasteful number, since it uses less digits than its factorization.

1001022200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834140 (or 834137 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1001022200001 its reverse (1000022201001), we get a palindrome (2001044401002).

The spelling of 1001022200001 in words is "one trillion, one billion, twenty-two million, two hundred thousand, one".