211312101302302 has 128 divisors (see below), whose sum is σ = 440269370956800. Its totient is φ = 73373363481600.

The previous prime is 211312101302243. The next prime is 211312101302303. The reversal of 211312101302302 is 203203101213112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211312101302303) 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 63 ways as a sum of consecutive naturals, for example, 3491519802 + ... + 3491580322.

It is an arithmetic number, because the mean of its divisors is an integer number (3439604460600).

Almost surely, 2^{211312101302302} is an apocalyptic number.

211312101302302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211312101302302 is an abundant number, since it is smaller than the sum of its proper divisors (228957269654498).

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

211312101302302 is a wasteful number, since it uses less digits than its factorization.

211312101302302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120722.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 211312101302302 its reverse (203203101213112), we get a palindrome (414515202515414).

The spelling of 211312101302302 in words is "two hundred eleven trillion, three hundred twelve billion, one hundred one million, three hundred two thousand, three hundred two".