10102122021 has 8 divisors (see below), whose sum is σ = 13620839040. Its totient is φ = 6659076512.

The previous prime is 10102121987. The next prime is 10102122059. The reversal of 10102122021 is 12022120101.

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

It is a cyclic number.

It is not a de Polignac number, because 10102122021 - 2⁹ = 10102121509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10102121988 and 10102122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102122091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18917565 + ... + 18918098.

It is an arithmetic number, because the mean of its divisors is an integer number (1702604880).

Almost surely, 2^10102122021 is an apocalyptic number.

It is an amenable number.

10102122021 is a deficient number, since it is larger than the sum of its proper divisors (3518717019).

10102122021 is an equidigital number, since it uses as much as digits as its factorization.

10102122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37835755.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10102122021 its reverse (12022120101), we get a palindrome (22124242122).

The spelling of 10102122021 in words is "ten billion, one hundred two million, one hundred twenty-two thousand, twenty-one".