1102000421 has 2 divisors, whose sum is σ = 1102000422. Its totient is φ = 1102000420.

The previous prime is 1102000397. The next prime is 1102000439. The reversal of 1102000421 is 1240002011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1094683396 + 7317025 = 33086^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102000421 - 2¹⁰ = 1101999397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102000451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551000210 + 551000211.

It is an arithmetic number, because the mean of its divisors is an integer number (551000211).

Almost surely, 2^1102000421 is an apocalyptic number.

It is an amenable number.

1102000421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102000421 is an equidigital number, since it uses as much as digits as its factorization.

1102000421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1102000421 is about 33196.3916864469. The cubic root of 1102000421 is about 1032.9054925196.

Adding to 1102000421 its reverse (1240002011), we get a palindrome (2342002432).

The spelling of 1102000421 in words is "one billion, one hundred two million, four hundred twenty-one", and thus it is an aban number.