1101212020003 has 2 divisors, whose sum is σ = 1101212020004. Its totient is φ = 1101212020002.

The previous prime is 1101212020001. The next prime is 1101212020157. The reversal of 1101212020003 is 3000202121011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101212020003 - 2¹ = 1101212020001 is a prime.

Together with 1101212020001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1101212020001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550606010001 + 550606010002.

It is an arithmetic number, because the mean of its divisors is an integer number (550606010002).

Almost surely, 2^{1101212020003} is an apocalyptic number.

1101212020003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101212020003 is an equidigital number, since it uses as much as digits as its factorization.

1101212020003 is an evil number, because the sum of its binary digits is even.

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

Adding to 1101212020003 its reverse (3000202121011), we get a palindrome (4101414141014).

The spelling of 1101212020003 in words is "one trillion, one hundred one billion, two hundred twelve million, twenty thousand, three".