2010201122121 has 24 divisors (see below), whose sum is σ = 2835676380960. Its totient is φ = 1266496271424.

The previous prime is 2010201122113. The next prime is 2010201122123. The reversal of 2010201122121 is 1212211020102.

It is not a de Polignac number, because 2010201122121 - 2³ = 2010201122113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2010201122121.

It is not an unprimeable number, because it can be changed into a prime (2010201122123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1826175 + ... + 2712068.

It is an arithmetic number, because the mean of its divisors is an integer number (118153182540).

Almost surely, 2^{2010201122121} is an apocalyptic number.

It is an amenable number.

2010201122121 is a deficient number, since it is larger than the sum of its proper divisors (825475258839).

2010201122121 is a wasteful number, since it uses less digits than its factorization.

2010201122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538693 (or 4538674 counting only the distinct ones).

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

Adding to 2010201122121 its reverse (1212211020102), we get a palindrome (3222412142223).

The spelling of 2010201122121 in words is "two trillion, ten billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-one".