11020143212 has 24 divisors (see below), whose sum is σ = 20891640000. Its totient is φ = 5086215888.

The previous prime is 11020143193. The next prime is 11020143217. The reversal of 11020143212 is 21234102011.

It is not an unprimeable number, because it can be changed into a prime (11020143217) 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, 618212 + ... + 635787.

It is an arithmetic number, because the mean of its divisors is an integer number (870485000).

Almost surely, 2^11020143212 is an apocalyptic number.

It is an amenable number.

11020143212 is a deficient number, since it is larger than the sum of its proper divisors (9871496788).

11020143212 is a wasteful number, since it uses less digits than its factorization.

11020143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254042 (or 1254014 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11020143212 its reverse (21234102011), we get a palindrome (32254245223).

The spelling of 11020143212 in words is "eleven billion, twenty million, one hundred forty-three thousand, two hundred twelve".