21202202101012 has 24 divisors (see below), whose sum is σ = 37152202105760. Its totient is φ = 10587289044960.

The previous prime is 21202202101007. The next prime is 21202202101027. The reversal of 21202202101012 is 21010120220212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47721958 + ... + 48164194.

Almost surely, 2^{21202202101012} is an apocalyptic number.

It is an amenable number.

21202202101012 is a deficient number, since it is larger than the sum of its proper divisors (15950000004748).

21202202101012 is a wasteful number, since it uses less digits than its factorization.

21202202101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457831 (or 457829 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21202202101012 its reverse (21010120220212), we get a palindrome (42212322321224).

The spelling of 21202202101012 in words is "twenty-one trillion, two hundred two billion, two hundred two million, one hundred one thousand, twelve".