201012201010121 has 8 divisors (see below), whose sum is σ = 201169574256000. Its totient is φ = 200854829982240.

The previous prime is 201012201010079. The next prime is 201012201010211. The reversal of 201012201010121 is 121010102210102.

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 201012201010121 - 2¹⁸ = 201012200747977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201012201010096 and 201012201010105.

It is not an unprimeable number, because it can be changed into a prime (201012201010921) 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, 212872580 + ... + 213814778.

It is an arithmetic number, because the mean of its divisors is an integer number (25146196782000).

Almost surely, 2^{201012201010121} is an apocalyptic number.

It is an amenable number.

201012201010121 is a deficient number, since it is larger than the sum of its proper divisors (157373245879).

201012201010121 is a wasteful number, since it uses less digits than its factorization.

201012201010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108999.

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

Adding to 201012201010121 its reverse (121010102210102), we get a palindrome (322022303220223).

The spelling of 201012201010121 in words is "two hundred one trillion, twelve billion, two hundred one million, ten thousand, one hundred twenty-one".