20201210101222 has 8 divisors (see below), whose sum is σ = 30303747342936. Its totient is φ = 10099960986912.

The previous prime is 20201210101183. The next prime is 20201210101223. The reversal of 20201210101222 is 22210101210202.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20201210101196 and 20201210101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201210101223) 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, 321992643 + ... + 322055374.

It is an arithmetic number, because the mean of its divisors is an integer number (3787968417867).

Almost surely, 2^{20201210101222} is an apocalyptic number.

20201210101222 is a deficient number, since it is larger than the sum of its proper divisors (10102537241714).

20201210101222 is a wasteful number, since it uses less digits than its factorization.

20201210101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644063702.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20201210101222 its reverse (22210101210202), we get a palindrome (42411311311424).

The spelling of 20201210101222 in words is "twenty trillion, two hundred one billion, two hundred ten million, one hundred one thousand, two hundred twenty-two".