122011201011211 has 4 divisors (see below), whose sum is σ = 124313299143552. Its totient is φ = 119709102878872.

The previous prime is 122011201011163. The next prime is 122011201011223. The reversal of 122011201011211 is 112110102110221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122011201011211 is a prime.

It is a super-2 number, since 2×122011201011211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122011201011311) 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, 1151049066091 + ... + 1151049066196.

It is an arithmetic number, because the mean of its divisors is an integer number (31078324785888).

Almost surely, 2^{122011201011211} is an apocalyptic number.

122011201011211 is a deficient number, since it is larger than the sum of its proper divisors (2302098132341).

122011201011211 is an equidigital number, since it uses as much as digits as its factorization.

122011201011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302098132340.

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

Adding to 122011201011211 its reverse (112110102110221), we get a palindrome (234121303121432).

The spelling of 122011201011211 in words is "one hundred twenty-two trillion, eleven billion, two hundred one million, eleven thousand, two hundred eleven".