10012222120221 has 48 divisors (see below), whose sum is σ = 15919603539840. Its totient is φ = 6035451903360.

The previous prime is 10012222120189. The next prime is 10012222120363. The reversal of 10012222120221 is 12202122221001.

It is a happy number.

10012222120221 is a `hidden beast` number, since 10 + 0 + 1 + 222 + 212 + 0 + 221 = 666.

It is not a de Polignac number, because 10012222120221 - 2⁵ = 10012222120189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012222120194 and 10012222120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012222125221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 947946 + ... + 4574171.

It is an arithmetic number, because the mean of its divisors is an integer number (331658407080).

Almost surely, 2^{10012222120221} is an apocalyptic number.

It is an amenable number.

10012222120221 is a deficient number, since it is larger than the sum of its proper divisors (5907381419619).

10012222120221 is a wasteful number, since it uses less digits than its factorization.

10012222120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522626 (or 5522623 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10012222120221 its reverse (12202122221001), we get a palindrome (22214344341222).

The spelling of 10012222120221 in words is "ten trillion, twelve billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-one".