201012010102121 has 32 divisors (see below), whose sum is σ = 218880196730880. Its totient is φ = 183898795046400.

The previous prime is 201012010102109. The next prime is 201012010102129. The reversal of 201012010102121 is 121201010210102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201012010102121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201012010102096 and 201012010102105.

It is not an unprimeable number, because it can be changed into a prime (201012010102129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4914338156 + ... + 4914379058.

It is an arithmetic number, because the mean of its divisors is an integer number (6840006147840).

Almost surely, 2^{201012010102121} is an apocalyptic number.

It is an amenable number.

201012010102121 is a deficient number, since it is larger than the sum of its proper divisors (17868186628759).

201012010102121 is a wasteful number, since it uses less digits than its factorization.

201012010102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58437.

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

Adding to 201012010102121 its reverse (121201010210102), we get a palindrome (322213020312223).

The spelling of 201012010102121 in words is "two hundred one trillion, twelve billion, ten million, one hundred two thousand, one hundred twenty-one".