22121210102 has 8 divisors (see below), whose sum is σ = 33183233112. Its totient is φ = 11060132400.

The previous prime is 22121210081. The next prime is 22121210131. The reversal of 22121210102 is 20101212122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 174599 + ... + 273362.

It is an arithmetic number, because the mean of its divisors is an integer number (4147904139).

Almost surely, 2^22121210102 is an apocalyptic number.

22121210102 is a deficient number, since it is larger than the sum of its proper divisors (11062023010).

22121210102 is a wasteful number, since it uses less digits than its factorization.

22121210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472654.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22121210102 its reverse (20101212122), we get a palindrome (42222422224).

The spelling of 22121210102 in words is "twenty-two billion, one hundred twenty-one million, two hundred ten thousand, one hundred two".