21011012001202 has 32 divisors (see below), whose sum is σ = 32104962100800. Its totient is φ = 10309971670848.

The previous prime is 21011012001197. The next prime is 21011012001209. The reversal of 21011012001202 is 20210021011012.

It is not an unprimeable number, because it can be changed into a prime (21011012001209) 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, 235196248 + ... + 235285564.

It is an arithmetic number, because the mean of its divisors is an integer number (1003280065650).

Almost surely, 2^{21011012001202} is an apocalyptic number.

21011012001202 is a deficient number, since it is larger than the sum of its proper divisors (11093950099598).

21011012001202 is a wasteful number, since it uses less digits than its factorization.

21011012001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92730.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21011012001202 its reverse (20210021011012), we get a palindrome (41221033012214).

The spelling of 21011012001202 in words is "twenty-one trillion, eleven billion, twelve million, one thousand, two hundred two".