21413121030101 has 4 divisors (see below), whose sum is σ = 21413260130304. Its totient is φ = 21412981929900.

The previous prime is 21413121030097. The next prime is 21413121030109. The reversal of 21413121030101 is 10103012131412.

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 21413121030101 - 2² = 21413121030097 is a prime.

It is a super-2 number, since 2×21413121030101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413121030109) 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, 69318935 + ... + 69627156.

It is an arithmetic number, because the mean of its divisors is an integer number (5353315032576).

Almost surely, 2^{21413121030101} is an apocalyptic number.

It is an amenable number.

21413121030101 is a deficient number, since it is larger than the sum of its proper divisors (139100203).

21413121030101 is a wasteful number, since it uses less digits than its factorization.

21413121030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139100202.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 21413121030101 its reverse (10103012131412), we get a palindrome (31516133161513).

The spelling of 21413121030101 in words is "twenty-one trillion, four hundred thirteen billion, one hundred twenty-one million, thirty thousand, one hundred one".