201012011200121 has 16 divisors (see below), whose sum is σ = 219759892267968. Its totient is φ = 182343156475200.

The previous prime is 201012011200111. The next prime is 201012011200127. The reversal of 201012011200121 is 121002110210102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201012011200121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201012011200096 and 201012011200105.

It is not an unprimeable number, because it can be changed into a prime (201012011200127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268049231 + ... + 268798091.

It is an arithmetic number, because the mean of its divisors is an integer number (13734993266748).

Almost surely, 2^{201012011200121} is an apocalyptic number.

It is an amenable number.

201012011200121 is a deficient number, since it is larger than the sum of its proper divisors (18747881067847).

201012011200121 is a wasteful number, since it uses less digits than its factorization.

201012011200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801592.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201012011200121 its reverse (121002110210102), we get a palindrome (322014121410223).

The spelling of 201012011200121 in words is "two hundred one trillion, twelve billion, eleven million, two hundred thousand, one hundred twenty-one".