212111101202 has 32 divisors (see below), whose sum is σ = 427188795264. Its totient is φ = 76283712000.

The previous prime is 212111101159. The next prime is 212111101207. The reversal of 212111101202 is 202101111212.

It is a super-2 number, since 2×212111101202² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (212111101207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52972799 + ... + 52976802.

It is an arithmetic number, because the mean of its divisors is an integer number (13349649852).

Almost surely, 2^212111101202 is an apocalyptic number.

212111101202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212111101202 is an abundant number, since it is smaller than the sum of its proper divisors (215077694062).

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

212111101202 is a wasteful number, since it uses less digits than its factorization.

212111101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105949634.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212111101202 its reverse (202101111212), we get a palindrome (414212212414).

It can be divided in two parts, 212111 and 101202, that added together give a palindrome (313313).

The spelling of 212111101202 in words is "two hundred twelve billion, one hundred eleven million, one hundred one thousand, two hundred two".