10102141221 has 4 divisors (see below), whose sum is σ = 13469521632. Its totient is φ = 6734760812.

The previous prime is 10102141201. The next prime is 10102141229. The reversal of 10102141221 is 12214120101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10102141221 - 2⁹ = 10102140709 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10102141221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102141229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683690201 + ... + 1683690206.

It is an arithmetic number, because the mean of its divisors is an integer number (3367380408).

Almost surely, 2^10102141221 is an apocalyptic number.

It is an amenable number.

10102141221 is a deficient number, since it is larger than the sum of its proper divisors (3367380411).

10102141221 is an equidigital number, since it uses as much as digits as its factorization.

10102141221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367380410.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10102141221 its reverse (12214120101), we get a palindrome (22316261322).

The spelling of 10102141221 in words is "ten billion, one hundred two million, one hundred forty-one thousand, two hundred twenty-one".