11021111123202 has 48 divisors (see below), whose sum is σ = 25397105610240. Its totient is φ = 3442098519936.

The previous prime is 11021111123171. The next prime is 11021111123213. The reversal of 11021111123202 is 20232111112011.

It is a happy number.

11021111123202 is a `hidden beast` number, since 110 + 211 + 11 + 12 + 320 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80686702 + ... + 80823177.

It is an arithmetic number, because the mean of its divisors is an integer number (529106366880).

Almost surely, 2^{11021111123202} is an apocalyptic number.

11021111123202 is an abundant number, since it is smaller than the sum of its proper divisors (14375994487038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021111123202 is a wasteful number, since it uses less digits than its factorization.

11021111123202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161510127 (or 161510124 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11021111123202 its reverse (20232111112011), we get a palindrome (31253222235213).

The spelling of 11021111123202 in words is "eleven trillion, twenty-one billion, one hundred eleven million, one hundred twenty-three thousand, two hundred two".