11021012201212 has 72 divisors (see below), whose sum is σ = 21985473731760. Its totient is φ = 4818510028800.

The previous prime is 11021012201183. The next prime is 11021012201249. The reversal of 11021012201212 is 21210221012011.

It is a congruent number.

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, 202561212 + ... + 202615612.

It is an arithmetic number, because the mean of its divisors is an integer number (305353801830).

Almost surely, 2^{11021012201212} is an apocalyptic number.

It is an amenable number.

11021012201212 is a deficient number, since it is larger than the sum of its proper divisors (10964461530548).

11021012201212 is a wasteful number, since it uses less digits than its factorization.

11021012201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70223 (or 70208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11021012201212 its reverse (21210221012011), we get a palindrome (32231233213223).

The spelling of 11021012201212 in words is "eleven trillion, twenty-one billion, twelve million, two hundred one thousand, two hundred twelve".