201001022102121 has 8 divisors (see below), whose sum is σ = 268002026006304. Its totient is φ = 134000349799680.

The previous prime is 201001022102063. The next prime is 201001022102131. The reversal of 201001022102121 is 121201220100102.

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

It is not a de Polignac number, because 201001022102121 - 2⁴¹ = 198801998846569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201001022102121.

It is not an unprimeable number, because it can be changed into a prime (201001022102131) 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, 81482616 + ... + 83913161.

It is an arithmetic number, because the mean of its divisors is an integer number (33500253250788).

Almost surely, 2^{201001022102121} is an apocalyptic number.

It is an amenable number.

201001022102121 is a deficient number, since it is larger than the sum of its proper divisors (67001003904183).

201001022102121 is a wasteful number, since it uses less digits than its factorization.

201001022102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165800871.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201001022102121 its reverse (121201220100102), we get a palindrome (322202242202223).

The spelling of 201001022102121 in words is "two hundred one trillion, one billion, twenty-two million, one hundred two thousand, one hundred twenty-one".