10012112220021 has 8 divisors (see below), whose sum is σ = 13349635845984. Its totient is φ = 6674665037040.

The previous prime is 10012112220013. The next prime is 10012112220083. The reversal of 10012112220021 is 12002221121001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10012112220021 - 2³ = 10012112220013 is a prime.

It is a super-2 number, since 2×10012112220021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012112220521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18804435 + ... + 19329536.

It is an arithmetic number, because the mean of its divisors is an integer number (1668704480748).

Almost surely, 2^{10012112220021} is an apocalyptic number.

It is an amenable number.

10012112220021 is a deficient number, since it is larger than the sum of its proper divisors (3337523625963).

10012112220021 is an equidigital number, since it uses as much as digits as its factorization.

10012112220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38221491.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10012112220021 its reverse (12002221121001), we get a palindrome (22014333341022).

The spelling of 10012112220021 in words is "ten trillion, twelve billion, one hundred twelve million, two hundred twenty thousand, twenty-one".