10120222000021 has 16 divisors (see below), whose sum is σ = 12218655199360. Its totient is φ = 8188257003840.

The previous prime is 10120221999911. The next prime is 10120222000127. The reversal of 10120222000021 is 12000022202101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10120222000021 - 2⁹ = 10120221999509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120221999965 and 10120222000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120222000921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137313150 + ... + 137386831.

It is an arithmetic number, because the mean of its divisors is an integer number (763665949960).

Almost surely, 2^{10120222000021} is an apocalyptic number.

It is an amenable number.

10120222000021 is a deficient number, since it is larger than the sum of its proper divisors (2098433199339).

10120222000021 is a wasteful number, since it uses less digits than its factorization.

10120222000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274700284.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10120222000021 its reverse (12000022202101), we get a palindrome (22120244202122).

The spelling of 10120222000021 in words is "ten trillion, one hundred twenty billion, two hundred twenty-two million, twenty-one", and thus it is an aban number.