11012101212120 has 64 divisors (see below), whose sum is σ = 33037121449440. Its totient is φ = 2936487628800.

The previous prime is 11012101212059. The next prime is 11012101212121. The reversal of 11012101212120 is 2121210121011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11012101212120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012101212121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3821640 + ... + 6052200.

Almost surely, 2^{11012101212120} is an apocalyptic number.

11012101212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012101212120 is an abundant number, since it is smaller than the sum of its proper divisors (22025020237320).

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

11012101212120 is a wasteful number, since it uses less digits than its factorization.

11012101212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271716 (or 2271712 counting only the distinct ones).

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

Adding to 11012101212120 its reverse (2121210121011), we get a palindrome (13133311333131).

The spelling of 11012101212120 in words is "eleven trillion, twelve billion, one hundred one million, two hundred twelve thousand, one hundred twenty".