120210100121 has 8 divisors (see below), whose sum is σ = 120325818624. Its totient is φ = 120094425360.

The previous prime is 120210100099. The next prime is 120210100159. The reversal of 120210100121 is 121001012021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120210100121 is a prime.

It is a super-2 number, since 2×120210100121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120210102121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8322776 + ... + 8337206.

It is an arithmetic number, because the mean of its divisors is an integer number (15040727328).

Almost surely, 2^120210100121 is an apocalyptic number.

It is an amenable number.

120210100121 is a deficient number, since it is larger than the sum of its proper divisors (115718503).

120210100121 is a wasteful number, since it uses less digits than its factorization.

120210100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21871.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120210100121 its reverse (121001012021), we get a palindrome (241211112142).

The spelling of 120210100121 in words is "one hundred twenty billion, two hundred ten million, one hundred thousand, one hundred twenty-one".