212122221002102 has 16 divisors (see below), whose sum is σ = 337678058127312. Its totient is φ = 99591685332480.

The previous prime is 212122221002023. The next prime is 212122221002137. The reversal of 212122221002102 is 201200122221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7204244924 + ... + 7204274367.

It is an arithmetic number, because the mean of its divisors is an integer number (21104878632957).

Almost surely, 2^{212122221002102} is an apocalyptic number.

212122221002102 is a deficient number, since it is larger than the sum of its proper divisors (125555837125210).

212122221002102 is a wasteful number, since it uses less digits than its factorization.

212122221002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14408519743.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212122221002102 its reverse (201200122221212), we get a palindrome (413322343223314).

The spelling of 212122221002102 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred twenty-one million, two thousand, one hundred two".