1002141121111 has 24 divisors (see below), whose sum is σ = 1108467154944. Its totient is φ = 905191691040.

The previous prime is 1002141121073. The next prime is 1002141121123. The reversal of 1002141121111 is 1111211412001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1002141121111 is a prime.

It is a super-2 number, since 2×1002141121111² (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 (1002141121181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55520490 + ... + 55538536.

It is an arithmetic number, because the mean of its divisors is an integer number (46186131456).

Almost surely, 2^{1002141121111} is an apocalyptic number.

1002141121111 is a deficient number, since it is larger than the sum of its proper divisors (106326033833).

1002141121111 is a wasteful number, since it uses less digits than its factorization.

1002141121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25111 (or 25098 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1002141121111 its reverse (1111211412001), we get a palindrome (2113352533112).

The spelling of 1002141121111 in words is "one trillion, two billion, one hundred forty-one million, one hundred twenty-one thousand, one hundred eleven".