141102421 has 4 divisors (see below), whose sum is σ = 145654144. Its totient is φ = 136550700.

The previous prime is 141102389. The next prime is 141102439. The reversal of 141102421 is 124201141.

It is a happy number.

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: 124201141 = 211 ⋅588631.

It is a cyclic number.

It is not a de Polignac number, because 141102421 - 2⁵ = 141102389 is a prime.

It is a super-2 number, since 2×141102421² = 39819786424122482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141102395 and 141102404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141102121) 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, 2275815 + ... + 2275876.

It is an arithmetic number, because the mean of its divisors is an integer number (36413536).

Almost surely, 2^141102421 is an apocalyptic number.

It is an amenable number.

141102421 is a deficient number, since it is larger than the sum of its proper divisors (4551723).

141102421 is an equidigital number, since it uses as much as digits as its factorization.

141102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551722.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 141102421 is about 11878.6540062416. The cubic root of 141102421 is about 520.6087803468.

Adding to 141102421 its reverse (124201141), we get a palindrome (265303562).

The spelling of 141102421 in words is "one hundred forty-one million, one hundred two thousand, four hundred twenty-one".