11201211021012 has 24 divisors (see below), whose sum is σ = 26144680869216. Its totient is φ = 3732519604128.

The previous prime is 11201211020947. The next prime is 11201211021043. The reversal of 11201211021012 is 21012011210211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11201211020982 and 11201211021000.

It is a congruent number.

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, 152137023 + ... + 152210630.

It is an arithmetic number, because the mean of its divisors is an integer number (1089361702884).

Almost surely, 2^{11201211021012} is an apocalyptic number.

11201211021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11201211021012 is an abundant number, since it is smaller than the sum of its proper divisors (14943469848204).

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

11201211021012 is a wasteful number, since it uses less digits than its factorization.

11201211021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304350727 (or 304350725 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11201211021012 its reverse (21012011210211), we get a palindrome (32213222231223).

The spelling of 11201211021012 in words is "eleven trillion, two hundred one billion, two hundred eleven million, twenty-one thousand, twelve".