120011002122121 has 4 divisors (see below), whose sum is σ = 130921093224144. Its totient is φ = 109100911020100.

The previous prime is 120011002122119. The next prime is 120011002122257. The reversal of 120011002122121 is 121221200110021.

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 120011002122121 - 2¹ = 120011002122119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120011002122095 and 120011002122104.

It is not an unprimeable number, because it can be changed into a prime (120011402122121) 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, 5455045550995 + ... + 5455045551016.

It is an arithmetic number, because the mean of its divisors is an integer number (32730273306036).

Almost surely, 2^{120011002122121} is an apocalyptic number.

120011002122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120011002122121 is a deficient number, since it is larger than the sum of its proper divisors (10910091102023).

120011002122121 is a wasteful number, since it uses less digits than its factorization.

120011002122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910091102022.

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

Adding to 120011002122121 its reverse (121221200110021), we get a palindrome (241232202232142).

The spelling of 120011002122121 in words is "one hundred twenty trillion, eleven billion, two million, one hundred twenty-two thousand, one hundred twenty-one".