102020120211222 has 64 divisors (see below), whose sum is σ = 229502459531520. Its totient is φ = 33588257472000.

The previous prime is 102020120211203. The next prime is 102020120211239. The reversal of 102020120211222 is 222112021020201.

It is a happy number.

102020120211222 is a `hidden beast` number, since 10 + 2 + 0 + 201 + 20 + 211 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102020120211195 and 102020120211204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14304822 + ... + 20215542.

It is an arithmetic number, because the mean of its divisors is an integer number (3585975930180).

Almost surely, 2^{102020120211222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102020120211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114751229765760).

102020120211222 is an abundant number, since it is smaller than the sum of its proper divisors (127482339320298).

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

102020120211222 is a wasteful number, since it uses less digits than its factorization.

102020120211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914666 (or 5914660 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102020120211222 its reverse (222112021020201), we get a palindrome (324132141231423).

The spelling of 102020120211222 in words is "one hundred two trillion, twenty billion, one hundred twenty million, two hundred eleven thousand, two hundred twenty-two".