11012101001220 has 96 divisors (see below), whose sum is σ = 33642346429440. Its totient is φ = 2669172991360.

The previous prime is 11012101001197. The next prime is 11012101001263. The reversal of 11012101001220 is 2210010121011.

It is a super-2 number, since 2×11012101001220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11012101001196 and 11012101001205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2801551 + ... + 5465609.

It is an arithmetic number, because the mean of its divisors is an integer number (350441108640).

Almost surely, 2^{11012101001220} is an apocalyptic number.

11012101001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012101001220 is an abundant number, since it is smaller than the sum of its proper divisors (22630245428220).

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

11012101001220 is a wasteful number, since it uses less digits than its factorization.

11012101001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670345 (or 2670343 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11012101001220 its reverse (2210010121011), we get a palindrome (13222111122231).

The spelling of 11012101001220 in words is "eleven trillion, twelve billion, one hundred one million, one thousand, two hundred twenty".