121102011000 has 96 divisors (see below), whose sum is σ = 409324827600. Its totient is φ = 32293867200.

The previous prime is 121102010999. The next prime is 121102011029. The reversal of 121102011000 is 110201121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 6718890 + ... + 6736889.

Almost surely, 2^121102011000 is an apocalyptic number.

121102011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102011000 is an abundant number, since it is smaller than the sum of its proper divisors (288222816600).

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

121102011000 is a wasteful number, since it uses less digits than its factorization.

121102011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455806 (or 13455789 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 121102011000 its reverse (110201121), we get a palindrome (121212212121).

The spelling of 121102011000 in words is "one hundred twenty-one billion, one hundred two million, eleven thousand".