10021022121 has 8 divisors (see below), whose sum is σ = 14576032224. Its totient is φ = 6073346720.

The previous prime is 10021022071. The next prime is 10021022129. The reversal of 10021022121 is 12122012001.

10021022121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10021022121 - 2²¹ = 10018924969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10021022097 and 10021022106.

It is not an unprimeable number, because it can be changed into a prime (10021022129) 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, 151833636 + ... + 151833701.

It is an arithmetic number, because the mean of its divisors is an integer number (1822004028).

Almost surely, 2^10021022121 is an apocalyptic number.

10021022121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021022121 is a deficient number, since it is larger than the sum of its proper divisors (4555010103).

10021022121 is a wasteful number, since it uses less digits than its factorization.

10021022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303667351.

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

Adding to 10021022121 its reverse (12122012001), we get a palindrome (22143034122).

The spelling of 10021022121 in words is "ten billion, twenty-one million, twenty-two thousand, one hundred twenty-one".