201002000001111 has 6 divisors (see below), whose sum is σ = 290336222223840. Its totient is φ = 134001333334068.

The previous prime is 201002000001083. The next prime is 201002000001151. The reversal of 201002000001111 is 111100000200102.

It is a happy number.

It is not a de Polignac number, because 201002000001111 - 2¹⁹ = 201001999476823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 22333555555679 = 201002000001111 / (2 + 0 + 1 + 0 + 0 + 2 + 0 + 0 + 0 + 0 + 0 + 1 + 1 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 201002000001093 and 201002000001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002000001151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11166777777831 + ... + 11166777777848.

It is an arithmetic number, because the mean of its divisors is an integer number (48389370370640).

Almost surely, 2^{201002000001111} is an apocalyptic number.

201002000001111 is a deficient number, since it is larger than the sum of its proper divisors (89334222222729).

201002000001111 is a wasteful number, since it uses less digits than its factorization.

201002000001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22333555555685 (or 22333555555682 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201002000001111 its reverse (111100000200102), we get a palindrome (312102000201213).

The spelling of 201002000001111 in words is "two hundred one trillion, two billion, one thousand, one hundred eleven".