20101210212199 has 32 divisors (see below), whose sum is σ = 21921368371200. Its totient is φ = 18359245175040.

The previous prime is 20101210212133. The next prime is 20101210212331. The reversal of 20101210212199 is 99121201210102.

It is a cyclic number.

It is not a de Polignac number, because 20101210212199 - 2¹³ = 20101210204007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20101210212199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101210212799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1323049747 + ... + 1323064939.

It is an arithmetic number, because the mean of its divisors is an integer number (685042761600).

Almost surely, 2^{20101210212199} is an apocalyptic number.

20101210212199 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20101210212199 is a deficient number, since it is larger than the sum of its proper divisors (1820158159001).

20101210212199 is a wasteful number, since it uses less digits than its factorization.

20101210212199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18655.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 20101210212199 in words is "twenty trillion, one hundred one billion, two hundred ten million, two hundred twelve thousand, one hundred ninety-nine".