21110201202 has 16 divisors (see below), whose sum is σ = 42222061440. Its totient is φ = 7036457232.

The previous prime is 21110201201. The next prime is 21110201209. The reversal of 21110201202 is 20210201112.

It is not an unprimeable number, because it can be changed into a prime (21110201201) 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, 149463 + ... + 254085.

It is an arithmetic number, because the mean of its divisors is an integer number (2638878840).

Almost surely, 2^21110201202 is an apocalyptic number.

21110201202 is an abundant number, since it is smaller than the sum of its proper divisors (21111860238).

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

21110201202 is a wasteful number, since it uses less digits than its factorization.

21110201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138257.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21110201202 its reverse (20210201112), we get a palindrome (41320402314).

The spelling of 21110201202 in words is "twenty-one billion, one hundred ten million, two hundred one thousand, two hundred two".