1011202120103 has 8 divisors (see below), whose sum is σ = 1155789007008. Its totient is φ = 866647593504.

The previous prime is 1011202120091. The next prime is 1011202120109. The reversal of 1011202120103 is 3010212021101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011202120103 - 2²⁴ = 1011185342887 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 (1011202120109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8023076 + ... + 8148137.

It is an arithmetic number, because the mean of its divisors is an integer number (144473625876).

Almost surely, 2^{1011202120103} is an apocalyptic number.

1011202120103 is a deficient number, since it is larger than the sum of its proper divisors (144586886905).

1011202120103 is an equidigital number, since it uses as much as digits as its factorization.

1011202120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16180153.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1011202120103 its reverse (3010212021101), we get a palindrome (4021414141204).

The spelling of 1011202120103 in words is "one trillion, eleven billion, two hundred two million, one hundred twenty thousand, one hundred three".