221020022201012 has 12 divisors (see below), whose sum is σ = 386786050314720. Its totient is φ = 110509722111096.

The previous prime is 221020022200921. The next prime is 221020022201023. The reversal of 221020022201012 is 210102220020122.

It is a happy number.

It is a congruent 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, 70521968 + ... + 73589319.

It is an arithmetic number, because the mean of its divisors is an integer number (32232170859560).

Almost surely, 2^{221020022201012} is an apocalyptic number.

It is an amenable number.

221020022201012 is a deficient number, since it is larger than the sum of its proper divisors (165766028113708).

221020022201012 is a wasteful number, since it uses less digits than its factorization.

221020022201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144494710 (or 144494708 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221020022201012 its reverse (210102220020122), we get a palindrome (431122242221134).

The spelling of 221020022201012 in words is "two hundred twenty-one trillion, twenty billion, twenty-two million, two hundred one thousand, twelve".