2121113132206 has 24 divisors (see below), whose sum is σ = 3555465360480. Its totient is φ = 945635570496.

The previous prime is 2121113132197. The next prime is 2121113132227. The reversal of 2121113132206 is 6022313111212.

It is a super-3 number, since 3×2121113132206³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86394486 + ... + 86419033.

It is an arithmetic number, because the mean of its divisors is an integer number (148144390020).

Almost surely, 2^{2121113132206} is an apocalyptic number.

2121113132206 is a deficient number, since it is larger than the sum of its proper divisors (1434352228274).

2121113132206 is a wasteful number, since it uses less digits than its factorization.

2121113132206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172813576 (or 172813557 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 2121113132206 its reverse (6022313111212), we get a palindrome (8143426243418).

The spelling of 2121113132206 in words is "two trillion, one hundred twenty-one billion, one hundred thirteen million, one hundred thirty-two thousand, two hundred six".