120011101220121 has 16 divisors (see below), whose sum is σ = 160675343817408. Its totient is φ = 79677221120000.

The previous prime is 120011101220099. The next prime is 120011101220167. The reversal of 120011101220121 is 121022101110021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120011101220121 - 2⁹ = 120011101219609 is a prime.

It is a super-2 number, since 2×120011101220121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120011101220121.

It is not an unprimeable number, because it can be changed into a prime (120011101220221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6167940 + ... + 16675301.

It is an arithmetic number, because the mean of its divisors is an integer number (10042208988588).

Almost surely, 2^{120011101220121} is an apocalyptic number.

It is an amenable number.

120011101220121 is a deficient number, since it is larger than the sum of its proper divisors (40664242597287).

120011101220121 is a wasteful number, since it uses less digits than its factorization.

120011101220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22850472.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120011101220121 its reverse (121022101110021), we get a palindrome (241033202330142).

The spelling of 120011101220121 in words is "one hundred twenty trillion, eleven billion, one hundred one million, two hundred twenty thousand, one hundred twenty-one".