2123201023201 has 16 divisors (see below), whose sum is σ = 2181242152960. Its totient is φ = 2066131987920.

The previous prime is 2123201023193. The next prime is 2123201023213. The reversal of 2123201023201 is 1023201023212.

It is a cyclic number.

It is not a de Polignac number, because 2123201023201 - 2³ = 2123201023193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123201023291) 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, 1098586 + ... + 2335228.

It is an arithmetic number, because the mean of its divisors is an integer number (136327634560).

Almost surely, 2^{2123201023201} is an apocalyptic number.

It is an amenable number.

2123201023201 is a deficient number, since it is larger than the sum of its proper divisors (58041129759).

2123201023201 is a wasteful number, since it uses less digits than its factorization.

2123201023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237036.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2123201023201 its reverse (1023201023212), we get a palindrome (3146402046413).

The spelling of 2123201023201 in words is "two trillion, one hundred twenty-three billion, two hundred one million, twenty-three thousand, two hundred one".