10102011421 has 12 divisors (see below), whose sum is σ = 10324336032. Its totient is φ = 9882509000.

The previous prime is 10102011407. The next prime is 10102011427. The reversal of 10102011421 is 12411020101.

It is not a de Polignac number, because 10102011421 - 2⁹ = 10102010909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102011427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1214286 + ... + 1222576.

It is an arithmetic number, because the mean of its divisors is an integer number (860361336).

Almost surely, 2^10102011421 is an apocalyptic number.

It is an amenable number.

10102011421 is a deficient number, since it is larger than the sum of its proper divisors (222324611).

10102011421 is an frugal number, since it uses more digits than its factorization.

10102011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8624 (or 8493 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10102011421 its reverse (12411020101), we get a palindrome (22513031522).

The spelling of 10102011421 in words is "ten billion, one hundred two million, eleven thousand, four hundred twenty-one".