1101231222000 has 1920 divisors, whose sum is σ = 4767782842368. Its totient is φ = 212751360000.

The previous prime is 1101231221999. The next prime is 1101231222031. The reversal of 1101231222000 is 2221321011.

It is a super-2 number, since 2×1101231222000² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 7292921925 + ... + 7292922075.

Almost surely, 2^{1101231222000} is an apocalyptic number.

1101231222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101231222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2383891421184).

1101231222000 is an abundant number, since it is smaller than the sum of its proper divisors (3666551620368).

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

1101231222000 is a wasteful number, since it uses less digits than its factorization.

1101231222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1101231222000 its reverse (2221321011), we get a palindrome (1103452543011).

It can be divided in two parts, 1101231 and 222000, that added together give a palindrome (1323231).

The spelling of 1101231222000 in words is "one trillion, one hundred one billion, two hundred thirty-one million, two hundred twenty-two thousand".