11011022121102 has 32 divisors (see below), whose sum is σ = 23573999203200. Its totient is φ = 3418229880288.

The previous prime is 11011022120963. The next prime is 11011022121179. The reversal of 11011022121102 is 20112122011011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818534913 + ... + 818548364.

It is an arithmetic number, because the mean of its divisors is an integer number (736687475100).

Almost surely, 2^{11011022121102} is an apocalyptic number.

11011022121102 is an abundant number, since it is smaller than the sum of its proper divisors (12562977082098).

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

11011022121102 is a wasteful number, since it uses less digits than its factorization.

11011022121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637083360.

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

Adding to 11011022121102 its reverse (20112122011011), we get a palindrome (31123144132113).

The spelling of 11011022121102 in words is "eleven trillion, eleven billion, twenty-two million, one hundred twenty-one thousand, one hundred two".