2120211303031 has 8 divisors (see below), whose sum is σ = 2317346699904. Its totient is φ = 1931122248960.

The previous prime is 2120211303029. The next prime is 2120211303097. The reversal of 2120211303031 is 1303031120212.

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 2120211303031 - 2¹ = 2120211303029 is a prime.

It is a super-2 number, since 2×2120211303031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120211301031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2011585150 + ... + 2011586203.

It is an arithmetic number, because the mean of its divisors is an integer number (289668337488).

Almost surely, 2^{2120211303031} is an apocalyptic number.

2120211303031 is a deficient number, since it is larger than the sum of its proper divisors (197135396873).

2120211303031 is a wasteful number, since it uses less digits than its factorization.

2120211303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023171401.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2120211303031 its reverse (1303031120212), we get a palindrome (3423242423243).

It can be divided in two parts, 2120211 and 303031, that added together give a palindrome (2423242).

The spelling of 2120211303031 in words is "two trillion, one hundred twenty billion, two hundred eleven million, three hundred three thousand, thirty-one".