1101201222000 has 640 divisors, whose sum is σ = 4081233641472. Its totient is φ = 252835968000.

The previous prime is 1101201221987. The next prime is 1101201222013. The reversal of 1101201222000 is 2221021011.

It is an interprime number because it is at equal distance from previous prime (1101201221987) and next prime (1101201222013).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 156350479 + ... + 156357521.

Almost surely, 2^{1101201222000} is an apocalyptic number.

1101201222000 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 1101201222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2040616820736).

1101201222000 is an abundant number, since it is smaller than the sum of its proper divisors (2980032419472).

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

1101201222000 is a wasteful number, since it uses less digits than its factorization.

1101201222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7206 (or 7190 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1101201222000 its reverse (2221021011), we get a palindrome (1103422243011).

The spelling of 1101201222000 in words is "one trillion, one hundred one billion, two hundred one million, two hundred twenty-two thousand".