120210022100021 has 8 divisors (see below), whose sum is σ = 137383055006784. Its totient is φ = 103037032344960.

The previous prime is 120210022099933. The next prime is 120210022100083. The reversal of 120210022100021 is 120001220012021.

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

It is a de Polignac number, because none of the positive numbers 2^k-120210022100021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120210022099969 and 120210022100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210022160021) 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, 4580315 + ... + 16167848.

It is an arithmetic number, because the mean of its divisors is an integer number (17172881875848).

Almost surely, 2^{120210022100021} is an apocalyptic number.

It is an amenable number.

120210022100021 is a deficient number, since it is larger than the sum of its proper divisors (17173032906763).

120210022100021 is an equidigital number, since it uses as much as digits as its factorization.

120210022100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21575851.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120210022100021 its reverse (120001220012021), we get a palindrome (240211242112042).

The spelling of 120210022100021 in words is "one hundred twenty trillion, two hundred ten billion, twenty-two million, one hundred thousand, twenty-one".