1105211205522 has 12 divisors (see below), whose sum is σ = 2394624278670. Its totient is φ = 368403735168.

The previous prime is 1105211205521. The next prime is 1105211205559. The reversal of 1105211205522 is 2255021125011.

1105211205522 is a `hidden beast` number, since 1 + 10 + 5 + 2 + 1 + 120 + 5 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1102455900441 + 2755305081 = 1049979^2 + 52491^2 .

It is a super-2 number, since 2×1105211205522² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1105211205521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30700311247 + ... + 30700311282.

Almost surely, 2^{1105211205522} is an apocalyptic number.

1105211205522 is an abundant number, since it is smaller than the sum of its proper divisors (1289413073148).

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

1105211205522 is a wasteful number, since it uses less digits than its factorization.

1105211205522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61400622537 (or 61400622534 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 1105211205522 in words is "one trillion, one hundred five billion, two hundred eleven million, two hundred five thousand, five hundred twenty-two".