21201002011202 has 32 divisors (see below), whose sum is σ = 34587911070720. Its totient is φ = 9687901291200.

The previous prime is 21201002011169. The next prime is 21201002011207. The reversal of 21201002011202 is 20211020010212.

It is not an unprimeable number, because it can be changed into a prime (21201002011207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 102623303 + ... + 102829685.

It is an arithmetic number, because the mean of its divisors is an integer number (1080872220960).

Almost surely, 2^{21201002011202} is an apocalyptic number.

21201002011202 is a deficient number, since it is larger than the sum of its proper divisors (13386909059518).

21201002011202 is a wasteful number, since it uses less digits than its factorization.

21201002011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245618.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21201002011202 its reverse (20211020010212), we get a palindrome (41412022021414).

The spelling of 21201002011202 in words is "twenty-one trillion, two hundred one billion, two million, eleven thousand, two hundred two".