11021012012 has 12 divisors (see below), whose sum is σ = 19300469160. Its totient is φ = 5506592256.

The previous prime is 11021012003. The next prime is 11021012021. The reversal of 11021012012 is 21021012011.

It is an interprime number because it is at equal distance from previous prime (11021012003) and next prime (11021012021).

It is a junction number, because it is equal to n+sod(n) for n = 11021011984 and 11021012002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972098 + ... + 983369.

It is an arithmetic number, because the mean of its divisors is an integer number (1608372430).

Almost surely, 2^11021012012 is an apocalyptic number.

It is an amenable number.

11021012012 is a deficient number, since it is larger than the sum of its proper divisors (8279457148).

11021012012 is a wasteful number, since it uses less digits than its factorization.

11021012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956880 (or 1956878 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11021012012 its reverse (21021012011), we get a palindrome (32042024023).

Subtracting 11021012012 from its reverse (21021012011), we obtain a palindrome (9999999999).

The spelling of 11021012012 in words is "eleven billion, twenty-one million, twelve thousand, twelve".