212020320101101 has 4 divisors (see below), whose sum is σ = 212427268892604. Its totient is φ = 211613371309600.

The previous prime is 212020320101089. The next prime is 212020320101159. The reversal of 212020320101101 is 101101023020212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137186989909225 + 74833330191876 = 11712685^2 + 8650626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212020320101101 is a prime.

It is a super-2 number, since 2×212020320101101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020320101801) 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, 203474394970 + ... + 203474396011.

It is an arithmetic number, because the mean of its divisors is an integer number (53106817223151).

Almost surely, 2^{212020320101101} is an apocalyptic number.

It is an amenable number.

212020320101101 is a deficient number, since it is larger than the sum of its proper divisors (406948791503).

212020320101101 is an equidigital number, since it uses as much as digits as its factorization.

212020320101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406948791502.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212020320101101 its reverse (101101023020212), we get a palindrome (313121343121313).

The spelling of 212020320101101 in words is "two hundred twelve trillion, twenty billion, three hundred twenty million, one hundred one thousand, one hundred one".