221010010112012 has 48 divisors (see below), whose sum is σ = 423217480597632. Its totient is φ = 100152250682880.

The previous prime is 221010010111949. The next prime is 221010010112039. The reversal of 221010010112012 is 210211010010122.

It is a super-3 number, since 3×221010010112012³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68424143 + ... + 71581305.

It is an arithmetic number, because the mean of its divisors is an integer number (8817030845784).

Almost surely, 2^{221010010112012} is an apocalyptic number.

221010010112012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221010010112012 is a deficient number, since it is larger than the sum of its proper divisors (202207470485620).

221010010112012 is a wasteful number, since it uses less digits than its factorization.

221010010112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162038 (or 3162036 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221010010112012 its reverse (210211010010122), we get a palindrome (431221020122134).

The spelling of 221010010112012 in words is "two hundred twenty-one trillion, ten billion, ten million, one hundred twelve thousand, twelve".