120001022121211 has 8 divisors (see below), whose sum is σ = 149611663943424. Its totient is φ = 93507289964520.

The previous prime is 120001022121199. The next prime is 120001022121229. The reversal of 120001022121211 is 112121220100021.

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 120001022121211 - 2¹⁹ = 120001021596923 is a prime.

It is a super-2 number, since 2×120001022121211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001022121271) 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, 779227416295 + ... + 779227416448.

It is an arithmetic number, because the mean of its divisors is an integer number (18701457992928).

Almost surely, 2^{120001022121211} is an apocalyptic number.

120001022121211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120001022121211 is a deficient number, since it is larger than the sum of its proper divisors (29610641822213).

120001022121211 is a wasteful number, since it uses less digits than its factorization.

120001022121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558454832761.

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

Adding to 120001022121211 its reverse (112121220100021), we get a palindrome (232122242221232).

The spelling of 120001022121211 in words is "one hundred twenty trillion, one billion, twenty-two million, one hundred twenty-one thousand, two hundred eleven".