11011021212102 has 32 divisors (see below), whose sum is σ = 22667687903232. Its totient is φ = 3563962625664.

The previous prime is 11011021212071. The next prime is 11011021212133. The reversal of 11011021212102 is 20121212011011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11011021212071) and next prime (11011021212133).

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, 153689283 + ... + 153760910.

It is an arithmetic number, because the mean of its divisors is an integer number (708365246976).

Almost surely, 2^{11011021212102} is an apocalyptic number.

11011021212102 is an abundant number, since it is smaller than the sum of its proper divisors (11656666691130).

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

11011021212102 is a wasteful number, since it uses less digits than its factorization.

11011021212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307450372.

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

Adding to 11011021212102 its reverse (20121212011011), we get a palindrome (31132233223113).

The spelling of 11011021212102 in words is "eleven trillion, eleven billion, twenty-one million, two hundred twelve thousand, one hundred two".