11212010221122 has 48 divisors (see below), whose sum is σ = 24384459595392. Its totient is φ = 3723235195680.

The previous prime is 11212010221091. The next prime is 11212010221127. The reversal of 11212010221122 is 22112201021211.

11212010221122 is a `hidden beast` number, since 1 + 121 + 201 + 0 + 221 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11212010221095 and 11212010221104.

It is not an unprimeable number, because it can be changed into a prime (11212010221127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7197208 + ... + 8615324.

It is an arithmetic number, because the mean of its divisors is an integer number (508009574904).

Almost surely, 2^{11212010221122} is an apocalyptic number.

11212010221122 is an abundant number, since it is smaller than the sum of its proper divisors (13172449374270).

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

11212010221122 is a wasteful number, since it uses less digits than its factorization.

11212010221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419783 (or 1419780 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11212010221122 its reverse (22112201021211), we get a palindrome (33324211242333).

The spelling of 11212010221122 in words is "eleven trillion, two hundred twelve billion, ten million, two hundred twenty-one thousand, one hundred twenty-two".