2011142144121 has 16 divisors (see below), whose sum is σ = 2925350803200. Its totient is φ = 1218851885520.

The previous prime is 2011142144093. The next prime is 2011142144159. The reversal of 2011142144121 is 1214412411102.

It is not a de Polignac number, because 2011142144121 - 2⁷ = 2011142143993 is a prime.

It is a super-2 number, since 2×2011142144121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011142144091 and 2011142144100.

It is not an unprimeable number, because it can be changed into a prime (2011142148121) 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, 1392786 + ... + 2441748.

It is an arithmetic number, because the mean of its divisors is an integer number (182834425200).

Almost surely, 2^{2011142144121} is an apocalyptic number.

It is an amenable number.

2011142144121 is a deficient number, since it is larger than the sum of its proper divisors (914208659079).

2011142144121 is a wasteful number, since it uses less digits than its factorization.

2011142144121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107076.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 2011142144121 its reverse (1214412411102), we get a palindrome (3225554555223).

The spelling of 2011142144121 in words is "two trillion, eleven billion, one hundred forty-two million, one hundred forty-four thousand, one hundred twenty-one".