122021212202211 has 8 divisors (see below), whose sum is σ = 185937085260544. Its totient is φ = 69726406972680.

The previous prime is 122021212202209. The next prime is 122021212202231. The reversal of 122021212202211 is 112202212120221.

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

It is not a de Polignac number, because 122021212202211 - 2¹ = 122021212202209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5810533914391 = 122021212202211 / (1 + 2 + 2 + 0 + 2 + 1 + 2 + 1 + 2 + 2 + 0 + 2 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122021212202231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905266957175 + ... + 2905266957216.

It is an arithmetic number, because the mean of its divisors is an integer number (23242135657568).

Almost surely, 2^{122021212202211} is an apocalyptic number.

122021212202211 is a deficient number, since it is larger than the sum of its proper divisors (63915873058333).

122021212202211 is an equidigital number, since it uses as much as digits as its factorization.

122021212202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810533914401.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122021212202211 its reverse (112202212120221), we get a palindrome (234223424322432).

The spelling of 122021212202211 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred twelve million, two hundred two thousand, two hundred eleven".