2123122210101 has 12 divisors (see below), whose sum is σ = 3066748425312. Its totient is φ = 1415407263336.

The previous prime is 2123122210091. The next prime is 2123122210103. The reversal of 2123122210101 is 1010122213212.

It is not a de Polignac number, because 2123122210101 - 2¹³ = 2123122201909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123122210103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1552080 + ... + 2579766.

It is an arithmetic number, because the mean of its divisors is an integer number (255562368776).

Almost surely, 2^{2123122210101} is an apocalyptic number.

It is an amenable number.

2123122210101 is a deficient number, since it is larger than the sum of its proper divisors (943626215211).

2123122210101 is a wasteful number, since it uses less digits than its factorization.

2123122210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257240 (or 1257237 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2123122210101 its reverse (1010122213212), we get a palindrome (3133244423313).

The spelling of 2123122210101 in words is "two trillion, one hundred twenty-three billion, one hundred twenty-two million, two hundred ten thousand, one hundred one".