1011202021103 has 4 divisors (see below), whose sum is σ = 1017405714648. Its totient is φ = 1004998327560.

The previous prime is 1011202021097. The next prime is 1011202021243. The reversal of 1011202021103 is 3011202021101.

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 1011202021103 - 2⁴ = 1011202021087 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 (1011202821103) 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, 3101846528 + ... + 3101846853.

It is an arithmetic number, because the mean of its divisors is an integer number (254351428662).

Almost surely, 2^{1011202021103} is an apocalyptic number.

1011202021103 is a deficient number, since it is larger than the sum of its proper divisors (6203693545).

1011202021103 is an equidigital number, since it uses as much as digits as its factorization.

1011202021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6203693544.

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

Adding to 1011202021103 its reverse (3011202021101), we get a palindrome (4022404042204).

The spelling of 1011202021103 in words is "one trillion, eleven billion, two hundred two million, twenty-one thousand, one hundred three".