10210202421 has 8 divisors (see below), whose sum is σ = 13777622880. Its totient is φ = 6724791792.

The previous prime is 10210202417. The next prime is 10210202441. The reversal of 10210202421 is 12420201201.

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

It is not a de Polignac number, because 10210202421 - 2² = 10210202417 is a prime.

It is a super-2 number, since 2×10210202421² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10210202421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210202441) 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, 20502166 + ... + 20502663.

It is an arithmetic number, because the mean of its divisors is an integer number (1722202860).

Almost surely, 2^10210202421 is an apocalyptic number.

It is an amenable number.

10210202421 is a deficient number, since it is larger than the sum of its proper divisors (3567420459).

10210202421 is an equidigital number, since it uses as much as digits as its factorization.

10210202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41004915.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10210202421 its reverse (12420201201), we get a palindrome (22630403622).

The spelling of 10210202421 in words is "ten billion, two hundred ten million, two hundred two thousand, four hundred twenty-one".