10120011210021 has 16 divisors (see below), whose sum is σ = 13524326285184. Its totient is φ = 6731202895104.

The previous prime is 10120011210017. The next prime is 10120011210041. The reversal of 10120011210021 is 12001211002101.

It is not a de Polignac number, because 10120011210021 - 2² = 10120011210017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10120011209979 and 10120011210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120011210041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61641 + ... + 4499313.

It is an arithmetic number, because the mean of its divisors is an integer number (845270392824).

Almost surely, 2^{10120011210021} is an apocalyptic number.

It is an amenable number.

10120011210021 is a deficient number, since it is larger than the sum of its proper divisors (3404315075163).

10120011210021 is an equidigital number, since it uses as much as digits as its factorization.

10120011210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439420.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10120011210021 its reverse (12001211002101), we get a palindrome (22121222212122).

The spelling of 10120011210021 in words is "ten trillion, one hundred twenty billion, eleven million, two hundred ten thousand, twenty-one".