201011212220222 has 16 divisors (see below), whose sum is σ = 306463534260000. Its totient is φ = 98856741846240.

The previous prime is 201011212220171. The next prime is 201011212220233. The reversal of 201011212220222 is 222022212110102.

It is a junction number, because it is equal to n+sod(n) for n = 201011212220194 and 201011212220203.

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, 388097 + ... + 20054252.

It is an arithmetic number, because the mean of its divisors is an integer number (19153970891250).

Almost surely, 2^{201011212220222} is an apocalyptic number.

201011212220222 is a deficient number, since it is larger than the sum of its proper divisors (105452322039778).

201011212220222 is a wasteful number, since it uses less digits than its factorization.

201011212220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20523011.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201011212220222 its reverse (222022212110102), we get a palindrome (423033424330324).

The spelling of 201011212220222 in words is "two hundred one trillion, eleven billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty-two".