1010103421 has 4 divisors (see below), whose sum is σ = 1010372832. Its totient is φ = 1009834012.

The previous prime is 1010103383. The next prime is 1010103427. The reversal of 1010103421 is 1243010101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1243010101 = 1399 ⋅888499.

It is a cyclic number.

It is not a de Polignac number, because 1010103421 - 2²¹ = 1008006269 is a prime.

It is a super-2 number, since 2×1010103421² = 2040617842231806482, which 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 (1010103427) 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, 129001 + ... + 136606.

It is an arithmetic number, because the mean of its divisors is an integer number (252593208).

Almost surely, 2^1010103421 is an apocalyptic number.

It is an amenable number.

1010103421 is a deficient number, since it is larger than the sum of its proper divisors (269411).

1010103421 is an equidigital number, since it uses as much as digits as its factorization.

1010103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269410.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1010103421 is about 31782.1242367467. The cubic root of 1010103421 is about 1003.3565281138.

Adding to 1010103421 its reverse (1243010101), we get a palindrome (2253113522).

The spelling of 1010103421 in words is "one billion, ten million, one hundred three thousand, four hundred twenty-one".