11020100103 has 12 divisors (see below), whose sum is σ = 15945905040. Its totient is φ = 7333818336.

The previous prime is 11020100099. The next prime is 11020100123. The reversal of 11020100103 is 30100102011.

It is not a de Polignac number, because 11020100103 - 2² = 11020100099 is a prime.

It is a super-2 number, since 2×11020100103² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020100123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1070851 + ... + 1081092.

It is an arithmetic number, because the mean of its divisors is an integer number (1328825420).

Almost surely, 2^11020100103 is an apocalyptic number.

11020100103 is a deficient number, since it is larger than the sum of its proper divisors (4925804937).

11020100103 is a wasteful number, since it uses less digits than its factorization.

11020100103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152518 (or 2152515 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11020100103 its reverse (30100102011), we get a palindrome (41120202114).

The spelling of 11020100103 in words is "eleven billion, twenty million, one hundred thousand, one hundred three".