22010010001002 has 24 divisors (see below), whose sum is σ = 48470131316100. Its totient is φ = 7216396721280.

The previous prime is 22010010000967. The next prime is 22010010001027. The reversal of 22010010001002 is 20010001001022.

It can be written as a sum of positive squares in 2 ways, for example, as 21988606018401 + 21403982601 = 4689201^2 + 146301^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10022772127 + ... + 10022774322.

Almost surely, 2^{22010010001002} is an apocalyptic number.

22010010001002 is an abundant number, since it is smaller than the sum of its proper divisors (26460121315098).

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

22010010001002 is a wasteful number, since it uses less digits than its factorization.

22010010001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20045546518 (or 20045546515 counting only the distinct ones).

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

Adding to 22010010001002 its reverse (20010001001022), we get a palindrome (42020011002024).

The spelling of 22010010001002 in words is "twenty-two trillion, ten billion, ten million, one thousand, two".