2011119121831 has 16 divisors (see below), whose sum is σ = 2052591162048. Its totient is φ = 1970164224000.

The previous prime is 2011119121807. The next prime is 2011119121841. The reversal of 2011119121831 is 1381219111102.

It is a cyclic number.

It is not a de Polignac number, because 2011119121831 - 2¹¹ = 2011119119783 is a prime.

It is a super-2 number, since 2×2011119121831² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011119121793 and 2011119121802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011119121841) 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, 3871491 + ... + 4360123.

It is an arithmetic number, because the mean of its divisors is an integer number (128286947628).

Almost surely, 2^{2011119121831} is an apocalyptic number.

2011119121831 is a deficient number, since it is larger than the sum of its proper divisors (41472040217).

2011119121831 is a wasteful number, since it uses less digits than its factorization.

2011119121831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489162.

The product of its (nonzero) digits is 864, while the sum is 31.

The spelling of 2011119121831 in words is "two trillion, eleven billion, one hundred nineteen million, one hundred twenty-one thousand, eight hundred thirty-one".