381211222102 has 16 divisors (see below), whose sum is σ = 587565891072. Its totient is φ = 185405685480.

The previous prime is 381211222087. The next prime is 381211222159. The reversal of 381211222102 is 201222112183.

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 7 ways as a sum of consecutive naturals, for example, 12424674 + ... + 12455317.

It is an arithmetic number, because the mean of its divisors is an integer number (36722868192).

Almost surely, 2^381211222102 is an apocalyptic number.

381211222102 is a deficient number, since it is larger than the sum of its proper divisors (206354668970).

381211222102 is a wasteful number, since it uses less digits than its factorization.

381211222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24880203.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 381211222102 its reverse (201222112183), we get a palindrome (582433334285).

The spelling of 381211222102 in words is "three hundred eighty-one billion, two hundred eleven million, two hundred twenty-two thousand, one hundred two".