2131123213010 has 64 divisors (see below), whose sum is σ = 4218714555264. Its totient is φ = 768688166400.

The previous prime is 2131123213001. The next prime is 2131123213013. The reversal of 2131123213010 is 103123211312.

It is a happy number.

It is a super-2 number, since 2×2131123213010² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2131123213013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7024214 + ... + 7321326.

It is an arithmetic number, because the mean of its divisors is an integer number (65917414926).

Almost surely, 2^{2131123213010} is an apocalyptic number.

2131123213010 is a deficient number, since it is larger than the sum of its proper divisors (2087591342254).

2131123213010 is a wasteful number, since it uses less digits than its factorization.

2131123213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297659.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2131123213010 its reverse (103123211312), we get a palindrome (2234246424322).

The spelling of 2131123213010 in words is "two trillion, one hundred thirty-one billion, one hundred twenty-three million, two hundred thirteen thousand, ten".