201010110210121 has 16 divisors (see below), whose sum is σ = 207804476436480. Its totient is φ = 194305868565120.

The previous prime is 201010110210083. The next prime is 201010110210139. The reversal of 201010110210121 is 121012011010102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201010110210121 - 2²⁷ = 201009975992393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201010113210121) 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, 437942670 + ... + 438401416.

It is an arithmetic number, because the mean of its divisors is an integer number (12987779777280).

Almost surely, 2^{201010110210121} is an apocalyptic number.

It is an amenable number.

201010110210121 is a deficient number, since it is larger than the sum of its proper divisors (6794366226359).

201010110210121 is a wasteful number, since it uses less digits than its factorization.

201010110210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556944.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201010110210121 its reverse (121012011010102), we get a palindrome (322022121220223).

The spelling of 201010110210121 in words is "two hundred one trillion, ten billion, one hundred ten million, two hundred ten thousand, one hundred twenty-one".