121011200221120 has 224 divisors, whose sum is σ = 340963702623936. Its totient is φ = 40405460582400.

The previous prime is 121011200221057. The next prime is 121011200221141. The reversal of 121011200221120 is 21122002110121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 121011200221094 and 121011200221103.

It is a congruent number.

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, 22208097 + ... + 27114976.

It is an arithmetic number, because the mean of its divisors is an integer number (1522159386714).

Almost surely, 2^{121011200221120} is an apocalyptic number.

121011200221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121011200221120 is an abundant number, since it is smaller than the sum of its proper divisors (219952502402816).

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

121011200221120 is a wasteful number, since it uses less digits than its factorization.

121011200221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49323159 (or 49323149 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121011200221120 its reverse (21122002110121), we get a palindrome (142133202331241).

The spelling of 121011200221120 in words is "one hundred twenty-one trillion, eleven billion, two hundred million, two hundred twenty-one thousand, one hundred twenty".