10202221111012 has 12 divisors (see below), whose sum is σ = 20404442222080. Its totient is φ = 4372380476136.

The previous prime is 10202221111007. The next prime is 10202221111051. The reversal of 10202221111012 is 21011112220201.

10202221111012 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182182519812 + ... + 182182519867.

Almost surely, 2^{10202221111012} is an apocalyptic number.

It is an amenable number.

10202221111012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10202221111012 is a wasteful number, since it uses less digits than its factorization.

10202221111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364365039690 (or 364365039688 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10202221111012 its reverse (21011112220201), we get a palindrome (31213333331213).

The spelling of 10202221111012 in words is "ten trillion, two hundred two billion, two hundred twenty-one million, one hundred eleven thousand, twelve".