21022201201002 has 64 divisors (see below), whose sum is σ = 44360866512000. Its totient is φ = 6623063359488.

The previous prime is 21022201200977. The next prime is 21022201201013. The reversal of 21022201201002 is 20010210222012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112319274 + ... + 112506282.

It is an arithmetic number, because the mean of its divisors is an integer number (693138539250).

Almost surely, 2^{21022201201002} is an apocalyptic number.

21022201201002 is an abundant number, since it is smaller than the sum of its proper divisors (23338665310998).

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

21022201201002 is a wasteful number, since it uses less digits than its factorization.

21022201201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189335.

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

Adding to 21022201201002 its reverse (20010210222012), we get a palindrome (41032411423014).

The spelling of 21022201201002 in words is "twenty-one trillion, twenty-two billion, two hundred one million, two hundred one thousand, two".