1020211101103 has 4 divisors (see below), whose sum is σ = 1020243688560. Its totient is φ = 1020178513648.

The previous prime is 1020211101101. The next prime is 1020211101139. The reversal of 1020211101103 is 3011011120201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020211101103 - 2¹ = 1020211101101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020211101101) 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, 16246723 + ... + 16309396.

It is an arithmetic number, because the mean of its divisors is an integer number (255060922140).

Almost surely, 2^{1020211101103} is an apocalyptic number.

1020211101103 is a deficient number, since it is larger than the sum of its proper divisors (32587457).

1020211101103 is an equidigital number, since it uses as much as digits as its factorization.

1020211101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32587456.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1020211101103 its reverse (3011011120201), we get a palindrome (4031222221304).

The spelling of 1020211101103 in words is "one trillion, twenty billion, two hundred eleven million, one hundred one thousand, one hundred three".