11211011220212 has 12 divisors (see below), whose sum is σ = 20472281358816. Its totient is φ = 5361787974840.

The previous prime is 11211011220107. The next prime is 11211011220257. The reversal of 11211011220212 is 21202211011211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60929408714 + ... + 60929408897.

It is an arithmetic number, because the mean of its divisors is an integer number (1706023446568).

Almost surely, 2^{11211011220212} is an apocalyptic number.

It is an amenable number.

11211011220212 is a deficient number, since it is larger than the sum of its proper divisors (9261270138604).

11211011220212 is a wasteful number, since it uses less digits than its factorization.

11211011220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121858817638 (or 121858817636 counting only the distinct ones).

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

Adding to 11211011220212 its reverse (21202211011211), we get a palindrome (32413222231423).

The spelling of 11211011220212 in words is "eleven trillion, two hundred eleven billion, eleven million, two hundred twenty thousand, two hundred twelve".