212222221221102 has 32 divisors (see below), whose sum is σ = 435604012876032. Its totient is φ = 68890575406464.

The previous prime is 212222221221091. The next prime is 212222221221139. The reversal of 212222221221102 is 201122122222212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220338498 + ... + 1220512389.

It is an arithmetic number, because the mean of its divisors is an integer number (13612625402376).

Almost surely, 2^{212222221221102} is an apocalyptic number.

212222221221102 is an abundant number, since it is smaller than the sum of its proper divisors (223381791654930).

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

212222221221102 is a wasteful number, since it uses less digits than its factorization.

212222221221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440851272.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 212222221221102 its reverse (201122122222212), we get a palindrome (413344343443314).

The spelling of 212222221221102 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred two".