212112020101102 has 192 divisors, whose sum is σ = 381857283484992. Its totient is φ = 87965374464000.

The previous prime is 212112020101081. The next prime is 212112020101109. The reversal of 212112020101102 is 201101020211212.

It is a super-2 number, since 2×212112020101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112020101109) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4155529993 + ... + 4155581035.

It is an arithmetic number, because the mean of its divisors is an integer number (1988840018151).

Almost surely, 2^{212112020101102} is an apocalyptic number.

212112020101102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212112020101102 is a deficient number, since it is larger than the sum of its proper divisors (169745263383890).

212112020101102 is a wasteful number, since it uses less digits than its factorization.

212112020101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51395 (or 51384 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212112020101102 its reverse (201101020211212), we get a palindrome (413213040312314).

It can be divided in two parts, 2121120 and 20101102, that added together give a palindrome (22222222).

The spelling of 212112020101102 in words is "two hundred twelve trillion, one hundred twelve billion, twenty million, one hundred one thousand, one hundred two".