21202211012 has 12 divisors (see below), whose sum is σ = 37145895696. Its totient is φ = 10589097960.

The previous prime is 21202210993. The next prime is 21202211053. The reversal of 21202211012 is 21011220212.

It is a super-3 number, since 3×21202211012³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2997914 + ... + 3004977.

It is an arithmetic number, because the mean of its divisors is an integer number (3095491308).

Almost surely, 2^21202211012 is an apocalyptic number.

It is an amenable number.

21202211012 is a deficient number, since it is larger than the sum of its proper divisors (15943684684).

21202211012 is a wasteful number, since it uses less digits than its factorization.

21202211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6003778 (or 6003776 counting only the distinct ones).

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

Adding to 21202211012 its reverse (21011220212), we get a palindrome (42213431224).

The spelling of 21202211012 in words is "twenty-one billion, two hundred two million, two hundred eleven thousand, twelve".