121101220101000 has 128 divisors (see below), whose sum is σ = 390024058844160. Its totient is φ = 31251927744000.

The previous prime is 121101220100963. The next prime is 121101220101041. The reversal of 121101220101000 is 101022101121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650988829 + ... + 651174828.

It is an arithmetic number, because the mean of its divisors is an integer number (3047062959720).

Almost surely, 2^{121101220101000} is an apocalyptic number.

121101220101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121101220101000 is an abundant number, since it is smaller than the sum of its proper divisors (268922838743160).

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

121101220101000 is a wasteful number, since it uses less digits than its factorization.

121101220101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302163712 (or 1302163698 counting only the distinct ones).

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

Adding to 121101220101000 its reverse (101022101121), we get a palindrome (121202242202121).

The spelling of 121101220101000 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twenty million, one hundred one thousand".