2121143206362 has 32 divisors (see below), whose sum is σ = 4496478003072. Its totient is φ = 664768495104.

The previous prime is 2121143206339. The next prime is 2121143206367. The reversal of 2121143206362 is 2636023411212.

It is a super-2 number, since 2×2121143206362² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121143206367) 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, 10653963 + ... + 10851230.

It is an arithmetic number, because the mean of its divisors is an integer number (140514937596).

Almost surely, 2^{2121143206362} is an apocalyptic number.

2121143206362 is an abundant number, since it is smaller than the sum of its proper divisors (2375334796710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121143206362 is a wasteful number, since it uses less digits than its factorization.

2121143206362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21506182.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 2121143206362 its reverse (2636023411212), we get a palindrome (4757166617574).

The spelling of 2121143206362 in words is "two trillion, one hundred twenty-one billion, one hundred forty-three million, two hundred six thousand, three hundred sixty-two".