102121211110222 has 8 divisors (see below), whose sum is σ = 153221023694376. Its totient is φ = 51047536545432.

The previous prime is 102121211110211. The next prime is 102121211110223. The reversal of 102121211110222 is 222011112121201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102121211110222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121211110223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6534495073 + ... + 6534510700.

It is an arithmetic number, because the mean of its divisors is an integer number (19152627961797).

Almost surely, 2^{102121211110222} is an apocalyptic number.

102121211110222 is a deficient number, since it is larger than the sum of its proper divisors (51099812584154).

102121211110222 is a wasteful number, since it uses less digits than its factorization.

102121211110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13069009682.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102121211110222 its reverse (222011112121201), we get a palindrome (324132323231423).

The spelling of 102121211110222 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred eleven million, one hundred ten thousand, two hundred twenty-two".