120000021111121 has 8 divisors (see below), whose sum is σ = 121121869993920. Its totient is φ = 118878178772208.

The previous prime is 120000021110987. The next prime is 120000021111163. The reversal of 120000021111121 is 121111120000021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120000021111121 - 2³¹ = 119997873627473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120000021111721) 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, 40184700 + ... + 43067506.

It is an arithmetic number, because the mean of its divisors is an integer number (15140233749240).

Almost surely, 2^{120000021111121} is an apocalyptic number.

It is an amenable number.

120000021111121 is a deficient number, since it is larger than the sum of its proper divisors (1121848882799).

120000021111121 is a wasteful number, since it uses less digits than its factorization.

120000021111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271943.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120000021111121 its reverse (121111120000021), we get a palindrome (241111141111142).

The spelling of 120000021111121 in words is "one hundred twenty trillion, twenty-one million, one hundred eleven thousand, one hundred twenty-one".