11021121201000 has 128 divisors (see below), whose sum is σ = 34479596136960. Its totient is φ = 2930957280000.

The previous prime is 11021121200983. The next prime is 11021121201007. The reversal of 11021121201000 is 10212112011.

It is a super-2 number, since 2×11021121201000² (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 not an unprimeable number, because it can be changed into a prime (11021121201007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3904051 + ... + 6106050.

It is an arithmetic number, because the mean of its divisors is an integer number (269371844820).

Almost surely, 2^{11021121201000} is an apocalyptic number.

11021121201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021121201000 is an abundant number, since it is smaller than the sum of its proper divisors (23458474935960).

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

11021121201000 is a wasteful number, since it uses less digits than its factorization.

11021121201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010492 (or 10010478 counting only the distinct ones).

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

Adding to 11021121201000 its reverse (10212112011), we get a palindrome (11031333313011).

The spelling of 11021121201000 in words is "eleven trillion, twenty-one billion, one hundred twenty-one million, two hundred one thousand".