2011001002142 has 16 divisors (see below), whose sum is σ = 3327703398000. Its totient is φ = 903820674240.

The previous prime is 2011001002141. The next prime is 2011001002159. The reversal of 2011001002142 is 2412001001102.

It is a happy number.

It is a super-2 number, since 2×2011001002142² (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 (2011001002141) 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, 513532517 + ... + 513536432.

It is an arithmetic number, because the mean of its divisors is an integer number (207981462375).

Almost surely, 2^{2011001002142} is an apocalyptic number.

2011001002142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2011001002142 is a deficient number, since it is larger than the sum of its proper divisors (1316702395858).

2011001002142 is a wasteful number, since it uses less digits than its factorization.

2011001002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027069051.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011001002142 its reverse (2412001001102), we get a palindrome (4423002003244).

The spelling of 2011001002142 in words is "two trillion, eleven billion, one million, two thousand, one hundred forty-two".