11101011211212 has 24 divisors (see below), whose sum is σ = 27894848684976. Its totient is φ = 3415695757248.

The previous prime is 11101011211201. The next prime is 11101011211223. The reversal of 11101011211212 is 21211211010111.

11101011211212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11101011211201) and next prime (11101011211223).

It is a super-2 number, since 2×11101011211212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11101011211191 and 11101011211200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35580163983 + ... + 35580164294.

It is an arithmetic number, because the mean of its divisors is an integer number (1162285361874).

Almost surely, 2^{11101011211212} is an apocalyptic number.

11101011211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11101011211212 is an abundant number, since it is smaller than the sum of its proper divisors (16793837473764).

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

11101011211212 is a wasteful number, since it uses less digits than its factorization.

11101011211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71160328297 (or 71160328295 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11101011211212 its reverse (21211211010111), we get a palindrome (32312222221323).

The spelling of 11101011211212 in words is "eleven trillion, one hundred one billion, eleven million, two hundred eleven thousand, two hundred twelve".