10102112220021 has 8 divisors (see below), whose sum is σ = 13469508753024. Its totient is φ = 6734728583520.

The previous prime is 10102112220019. The next prime is 10102112220023. The reversal of 10102112220021 is 12002221120101.

10102112220021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10102112220019) and next prime (10102112220023).

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

It is not a de Polignac number, because 10102112220021 - 2¹ = 10102112220019 is a prime.

It is a super-2 number, since 2×10102112220021² (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 (10102112220023) 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, 1218061 + ... + 4657026.

It is an arithmetic number, because the mean of its divisors is an integer number (1683688594128).

Almost surely, 2^{10102112220021} is an apocalyptic number.

It is an amenable number.

10102112220021 is a deficient number, since it is larger than the sum of its proper divisors (3367396533003).

10102112220021 is an equidigital number, since it uses as much as digits as its factorization.

10102112220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448251.

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

Adding to 10102112220021 its reverse (12002221120101), we get a palindrome (22104333340122).

The spelling of 10102112220021 in words is "ten trillion, one hundred two billion, one hundred twelve million, two hundred twenty thousand, twenty-one".