21000002011202 has 16 divisors (see below), whose sum is σ = 32054449377600. Its totient is φ = 10315413863280.

The previous prime is 21000002011199. The next prime is 21000002011207. The reversal of 21000002011202 is 20211020000012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21000002011207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56893049 + ... + 57260972.

It is an arithmetic number, because the mean of its divisors is an integer number (2003403086100).

Almost surely, 2^{21000002011202} is an apocalyptic number.

21000002011202 is a deficient number, since it is larger than the sum of its proper divisors (11054447366398).

21000002011202 is a wasteful number, since it uses less digits than its factorization.

21000002011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114155641.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21000002011202 its reverse (20211020000012), we get a palindrome (41211022011214).

The spelling of 21000002011202 in words is "twenty-one trillion, two million, eleven thousand, two hundred two".