11020111203 has 8 divisors (see below), whose sum is σ = 14699447488. Its totient is φ = 7343757864.

The previous prime is 11020111189. The next prime is 11020111211. The reversal of 11020111203 is 30211102011.

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

It is not a de Polignac number, because 11020111203 - 2¹² = 11020107107 is a prime.

It is a super-2 number, since 2×11020111203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020111243) 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, 737101 + ... + 751902.

It is an arithmetic number, because the mean of its divisors is an integer number (1837430936).

Almost surely, 2^11020111203 is an apocalyptic number.

11020111203 is a deficient number, since it is larger than the sum of its proper divisors (3679336285).

11020111203 is a wasteful number, since it uses less digits than its factorization.

11020111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491473.

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

Adding to 11020111203 its reverse (30211102011), we get a palindrome (41231213214).

The spelling of 11020111203 in words is "eleven billion, twenty million, one hundred eleven thousand, two hundred three".