1102021003 has 2 divisors, whose sum is σ = 1102021004. Its totient is φ = 1102021002.

The previous prime is 1102020979. The next prime is 1102021009. The reversal of 1102021003 is 3001202011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102021003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102021009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551010501 + 551010502.

It is an arithmetic number, because the mean of its divisors is an integer number (551010502).

Almost surely, 2^1102021003 is an apocalyptic number.

1102021003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102021003 is an equidigital number, since it uses as much as digits as its factorization.

1102021003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1102021003 is about 33196.7016885714. The cubic root of 1102021003 is about 1032.9119229855.

Adding to 1102021003 its reverse (3001202011), we get a palindrome (4103223014).

It can be divided in two parts, 11020 and 21003, that added together give a palindrome (32023).

The spelling of 1102021003 in words is "one billion, one hundred two million, twenty-one thousand, three".