201011121011 has 8 divisors (see below), whose sum is σ = 209952637440. Its totient is φ = 192086429832.

The previous prime is 201011120987. The next prime is 201011121023. The reversal of 201011121011 is 110121110102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201011121011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201011120983 and 201011121001.

It is not an unprimeable number, because it can be changed into a prime (201011121611) 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, 4181885 + ... + 4229678.

It is an arithmetic number, because the mean of its divisors is an integer number (26244079680).

Almost surely, 2^201011121011 is an apocalyptic number.

201011121011 is a deficient number, since it is larger than the sum of its proper divisors (8941516429).

201011121011 is a wasteful number, since it uses less digits than its factorization.

201011121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8412625.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201011121011 its reverse (110121110102), we get a palindrome (311132231113).

The spelling of 201011121011 in words is "two hundred one billion, eleven million, one hundred twenty-one thousand, eleven".