201201010011 has 12 divisors (see below), whose sum is σ = 290817579000. Its totient is φ = 134044515360.

The previous prime is 201201009973. The next prime is 201201010019. The reversal of 201201010011 is 110010102102.

It is a happy number.

It is not a de Polignac number, because 201201010011 - 2¹⁴ = 201200993627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201201009975 and 201201010002.

It is not an unprimeable number, because it can be changed into a prime (201201010019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7443370 + ... + 7470351.

It is an arithmetic number, because the mean of its divisors is an integer number (24234798250).

Almost surely, 2^201201010011 is an apocalyptic number.

201201010011 is a deficient number, since it is larger than the sum of its proper divisors (89616568989).

201201010011 is a wasteful number, since it uses less digits than its factorization.

201201010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14915226 (or 14915223 counting only the distinct ones).

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

Adding to 201201010011 its reverse (110010102102), we get a palindrome (311211112113).

The spelling of 201201010011 in words is "two hundred one billion, two hundred one million, ten thousand, eleven".