212020220100101 has 24 divisors (see below), whose sum is σ = 249107451355296. Its totient is φ = 179910805351200.

The previous prime is 212020220100097. The next prime is 212020220100113. The reversal of 212020220100101 is 101001022020212.

It is not a de Polignac number, because 212020220100101 - 2² = 212020220100097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020220100121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38953250 + ... + 44061276.

It is an arithmetic number, because the mean of its divisors is an integer number (10379477139804).

Almost surely, 2^{212020220100101} is an apocalyptic number.

It is an amenable number.

212020220100101 is a deficient number, since it is larger than the sum of its proper divisors (37087231255195).

212020220100101 is a wasteful number, since it uses less digits than its factorization.

212020220100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116529 (or 5116522 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212020220100101 its reverse (101001022020212), we get a palindrome (313021242120313).

The spelling of 212020220100101 in words is "two hundred twelve trillion, twenty billion, two hundred twenty million, one hundred thousand, one hundred one".