102201011220212 has 6 divisors (see below), whose sum is σ = 178851769635378. Its totient is φ = 51100505610104.

The previous prime is 102201011220211. The next prime is 102201011220337. The reversal of 102201011220212 is 212022110102201.

102201011220212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 80577265002256 + 21623746217956 = 8976484^2 + 4650134^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201011220211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775126402523 + ... + 12775126402530.

It is an arithmetic number, because the mean of its divisors is an integer number (29808628272563).

Almost surely, 2^{102201011220212} is an apocalyptic number.

It is an amenable number.

102201011220212 is a deficient number, since it is larger than the sum of its proper divisors (76650758415166).

102201011220212 is a wasteful number, since it uses less digits than its factorization.

102201011220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25550252805057 (or 25550252805055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102201011220212 its reverse (212022110102201), we get a palindrome (314223121322413).

The spelling of 102201011220212 in words is "one hundred two trillion, two hundred one billion, eleven million, two hundred twenty thousand, two hundred twelve".