2123201010101 has 16 divisors (see below), whose sum is σ = 2175622001280. Its totient is φ = 2071242164160.

The previous prime is 2123201010097. The next prime is 2123201010113. The reversal of 2123201010101 is 1010101023212.

It is a cyclic number.

It is not a de Polignac number, because 2123201010101 - 2² = 2123201010097 is a prime.

It is a Duffinian number.

2123201010101 is a modest number, since divided by 1010101 gives 21232 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123201010121) 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, 60063290 + ... + 60098628.

It is an arithmetic number, because the mean of its divisors is an integer number (135976375080).

Almost surely, 2^{2123201010101} is an apocalyptic number.

It is an amenable number.

2123201010101 is a deficient number, since it is larger than the sum of its proper divisors (52420991179).

2123201010101 is a wasteful number, since it uses less digits than its factorization.

2123201010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41836.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2123201010101 its reverse (1010101023212), we get a palindrome (3133302033313).

The spelling of 2123201010101 in words is "two trillion, one hundred twenty-three billion, two hundred one million, ten thousand, one hundred one".