11012002111 has 8 divisors (see below), whose sum is σ = 12027915648. Its totient is φ = 9998559000.

The previous prime is 11012002103. The next prime is 11012002153. The reversal of 11012002111 is 11120021011.

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

It is a cyclic number.

It is not a de Polignac number, because 11012002111 - 2³ = 11012002103 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 (11012002511) 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, 608275 + ... + 626116.

It is an arithmetic number, because the mean of its divisors is an integer number (1503489456).

Almost surely, 2^11012002111 is an apocalyptic number.

11012002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11012002111 is a deficient number, since it is larger than the sum of its proper divisors (1015913537).

11012002111 is a wasteful number, since it uses less digits than its factorization.

11012002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235213.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11012002111 its reverse (11120021011), we get a palindrome (22132023122).

The spelling of 11012002111 in words is "eleven billion, twelve million, two thousand, one hundred eleven".