2120403432111 has 8 divisors (see below), whose sum is σ = 2831908745904. Its totient is φ = 1411250203200.

The previous prime is 2120403432053. The next prime is 2120403432137. The reversal of 2120403432111 is 1112343040212.

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

It is not a de Polignac number, because 2120403432111 - 2⁹ = 2120403431599 is a prime.

It is a super-2 number, since 2×2120403432111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120403432011) 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, 588019116 + ... + 588022721.

It is an arithmetic number, because the mean of its divisors is an integer number (353988593238).

Almost surely, 2^{2120403432111} is an apocalyptic number.

2120403432111 is a deficient number, since it is larger than the sum of its proper divisors (711505313793).

2120403432111 is a wasteful number, since it uses less digits than its factorization.

2120403432111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176042441.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2120403432111 its reverse (1112343040212), we get a palindrome (3232746472323).

The spelling of 2120403432111 in words is "two trillion, one hundred twenty billion, four hundred three million, four hundred thirty-two thousand, one hundred eleven".