201012011121 has 8 divisors (see below), whose sum is σ = 268434139104. Its totient is φ = 133798945280.

The previous prime is 201012011087. The next prime is 201012011159. The reversal of 201012011121 is 121110210102.

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

It is a cyclic number.

It is not a de Polignac number, because 201012011121 - 2¹⁰ = 201012010097 is a prime.

It is a super-2 number, since 2×201012011121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201012011097 and 201012011106.

It is not an unprimeable number, because it can be changed into a prime (201012011171) 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, 52263291 + ... + 52267136.

It is an arithmetic number, because the mean of its divisors is an integer number (33554267388).

Almost surely, 2^201012011121 is an apocalyptic number.

It is an amenable number.

201012011121 is a deficient number, since it is larger than the sum of its proper divisors (67422127983).

201012011121 is a wasteful number, since it uses less digits than its factorization.

201012011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104531071.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201012011121 its reverse (121110210102), we get a palindrome (322122221223).

The spelling of 201012011121 in words is "two hundred one billion, twelve million, eleven thousand, one hundred twenty-one".