120212011002121 has 4 divisors (see below), whose sum is σ = 120212685199744. Its totient is φ = 120211336804500.

The previous prime is 120212011002107. The next prime is 120212011002217. The reversal of 120212011002121 is 121200110212021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120212011002121 - 2²⁷ = 120211876784393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120212011002095 and 120212011002104.

It is not an unprimeable number, because it can be changed into a prime (120212011003121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336831285 + ... + 337187986.

It is an arithmetic number, because the mean of its divisors is an integer number (30053171299936).

Almost surely, 2^{120212011002121} is an apocalyptic number.

It is an amenable number.

120212011002121 is a deficient number, since it is larger than the sum of its proper divisors (674197623).

120212011002121 is an equidigital number, since it uses as much as digits as its factorization.

120212011002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674197622.

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

Adding to 120212011002121 its reverse (121200110212021), we get a palindrome (241412121214142).

The spelling of 120212011002121 in words is "one hundred twenty trillion, two hundred twelve billion, eleven million, two thousand, one hundred twenty-one".