2120401230101 has 16 divisors (see below), whose sum is σ = 2650276141440. Its totient is φ = 1648098809280.

The previous prime is 2120401230053. The next prime is 2120401230139. The reversal of 2120401230101 is 1010321040212.

It is not a de Polignac number, because 2120401230101 - 2³⁰ = 2119327488277 is a prime.

It is a super-2 number, since 2×2120401230101² (a number of 25 digits) contains 22 as substring.

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 2120401230101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120401230161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34651646 + ... + 34712783.

It is an arithmetic number, because the mean of its divisors is an integer number (165642258840).

Almost surely, 2^{2120401230101} is an apocalyptic number.

It is an amenable number.

2120401230101 is a deficient number, since it is larger than the sum of its proper divisors (529874911339).

2120401230101 is a wasteful number, since it uses less digits than its factorization.

2120401230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69364844.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2120401230101 its reverse (1010321040212), we get a palindrome (3130722270313).

The spelling of 2120401230101 in words is "two trillion, one hundred twenty billion, four hundred one million, two hundred thirty thousand, one hundred one".