10021202123 has 8 divisors (see below), whose sum is σ = 10124320896. Its totient is φ = 9918160000.

The previous prime is 10021202117. The next prime is 10021202161. The reversal of 10021202123 is 32120212001.

It is a happy number.

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 10021202123 - 2¹² = 10021198027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021202098 and 10021202107.

It is not an unprimeable number, because it can be changed into a prime (10021205123) 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, 265190 + ... + 300612.

It is an arithmetic number, because the mean of its divisors is an integer number (1265540112).

Almost surely, 2^10021202123 is an apocalyptic number.

10021202123 is a deficient number, since it is larger than the sum of its proper divisors (103118773).

10021202123 is a wasteful number, since it uses less digits than its factorization.

10021202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38325.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10021202123 its reverse (32120212001), we get a palindrome (42141414124).

The spelling of 10021202123 in words is "ten billion, twenty-one million, two hundred two thousand, one hundred twenty-three".