1020120212101 has 8 divisors (see below), whose sum is σ = 1074021444000. Its totient is φ = 966240049680.

The previous prime is 1020120212039. The next prime is 1020120212141. The reversal of 1020120212101 is 1012120210201.

1020120212101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-1020120212101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020120212141) 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, 5167930 + ... + 5361691.

It is an arithmetic number, because the mean of its divisors is an integer number (134252680500).

Almost surely, 2^{1020120212101} is an apocalyptic number.

It is an amenable number.

1020120212101 is a deficient number, since it is larger than the sum of its proper divisors (53901231899).

1020120212101 is a wasteful number, since it uses less digits than its factorization.

1020120212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10534739.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020120212101 its reverse (1012120210201), we get a palindrome (2032240422302).

The spelling of 1020120212101 in words is "one trillion, twenty billion, one hundred twenty million, two hundred twelve thousand, one hundred one".