120022011112121 has 32 divisors (see below), whose sum is σ = 135827617685760. Its totient is φ = 105495945375744.

The previous prime is 120022011112097. The next prime is 120022011112139. The reversal of 120022011112121 is 121211110220021.

It is not a de Polignac number, because 120022011112121 - 2¹⁰ = 120022011111097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120022011112121.

It is not an unprimeable number, because it can be changed into a prime (120022011112021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25300400 + ... + 29667393.

It is an arithmetic number, because the mean of its divisors is an integer number (4244613052680).

Almost surely, 2^{120022011112121} is an apocalyptic number.

It is an amenable number.

120022011112121 is a deficient number, since it is larger than the sum of its proper divisors (15805606573639).

120022011112121 is a wasteful number, since it uses less digits than its factorization.

120022011112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54967985.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120022011112121 its reverse (121211110220021), we get a palindrome (241233121332142).

The spelling of 120022011112121 in words is "one hundred twenty trillion, twenty-two billion, eleven million, one hundred twelve thousand, one hundred twenty-one".