211201020220022 has 32 divisors (see below), whose sum is σ = 362470439365632. Its totient is φ = 90411858038304.

The previous prime is 211201020220013. The next prime is 211201020220103. The reversal of 211201020220022 is 220022020102112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115006328 + ... + 116828324.

It is an arithmetic number, because the mean of its divisors is an integer number (11327201230176).

Almost surely, 2^{211201020220022} is an apocalyptic number.

211201020220022 is a deficient number, since it is larger than the sum of its proper divisors (151269419145610).

211201020220022 is a wasteful number, since it uses less digits than its factorization.

211201020220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831412.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211201020220022 its reverse (220022020102112), we get a palindrome (431223040322134).

The spelling of 211201020220022 in words is "two hundred eleven trillion, two hundred one billion, twenty million, two hundred twenty thousand, twenty-two".