120001100012021 has 8 divisors (see below), whose sum is σ = 121763990154240. Its totient is φ = 118245759721312.

The previous prime is 120001100011981. The next prime is 120001100012033. The reversal of 120001100012021 is 120210001100021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120001100012021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001100011993 and 120001100012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001100012071) 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, 1887430856 + ... + 1887494433.

It is an arithmetic number, because the mean of its divisors is an integer number (15220498769280).

Almost surely, 2^{120001100012021} is an apocalyptic number.

It is an amenable number.

120001100012021 is a deficient number, since it is larger than the sum of its proper divisors (1762890142219).

120001100012021 is an equidigital number, since it uses as much as digits as its factorization.

120001100012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774925755.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120001100012021 its reverse (120210001100021), we get a palindrome (240211101112042).

The spelling of 120001100012021 in words is "one hundred twenty trillion, one billion, one hundred million, twelve thousand, twenty-one".