2121132101230 has 16 divisors (see below), whose sum is σ = 3818058896304. Its totient is φ = 848448148480.

The previous prime is 2121132101219. The next prime is 2121132101237. The reversal of 2121132101230 is 321012311212.

It is a junction number, because it is equal to n+sod(n) for n = 2121132101198 and 2121132101207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121132101237) 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, 1758789 + ... + 2708431.

It is an arithmetic number, because the mean of its divisors is an integer number (238628681019).

Almost surely, 2^{2121132101230} is an apocalyptic number.

2121132101230 is a deficient number, since it is larger than the sum of its proper divisors (1696926795074).

2121132101230 is a wasteful number, since it uses less digits than its factorization.

2121132101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173011.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2121132101230 its reverse (321012311212), we get a palindrome (2442144412442).

The spelling of 2121132101230 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-two million, one hundred one thousand, two hundred thirty".