11421211112 has 8 divisors (see below), whose sum is σ = 21414770850. Its totient is φ = 5710605552.

The previous prime is 11421211103. The next prime is 11421211121. The reversal of 11421211112 is 21111212411.

It is an interprime number because it is at equal distance from previous prime (11421211103) and next prime (11421211121).

It can be written as a sum of positive squares in only one way, i.e., 8162399716 + 3258811396 = 90346^2 + 57086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713825687 + ... + 713825702.

Almost surely, 2^11421211112 is an apocalyptic number.

It is an amenable number.

11421211112 is a deficient number, since it is larger than the sum of its proper divisors (9993559738).

11421211112 is a wasteful number, since it uses less digits than its factorization.

11421211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427651395 (or 1427651391 counting only the distinct ones).

The product of its digits is 32, while the sum is 17.

Adding to 11421211112 its reverse (21111212411), we get a palindrome (32532423523).

The spelling of 11421211112 in words is "eleven billion, four hundred twenty-one million, two hundred eleven thousand, one hundred twelve".