11012212103 has 4 divisors (see below), whose sum is σ = 11121244008. Its totient is φ = 10903180200.

The previous prime is 11012212097. The next prime is 11012212139. The reversal of 11012212103 is 30121221011.

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 11012212103 - 2¹⁶ = 11012146567 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 (11012212153) 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, 54515801 + ... + 54516002.

It is an arithmetic number, because the mean of its divisors is an integer number (2780311002).

Almost surely, 2^11012212103 is an apocalyptic number.

11012212103 is a deficient number, since it is larger than the sum of its proper divisors (109031905).

11012212103 is a wasteful number, since it uses less digits than its factorization.

11012212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109031904.

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

Adding to 11012212103 its reverse (30121221011), we get a palindrome (41133433114).

The spelling of 11012212103 in words is "eleven billion, twelve million, two hundred twelve thousand, one hundred three".