122102220011 has 4 divisors (see below), whose sum is σ = 122111150832. Its totient is φ = 122093289192.

The previous prime is 122102219983. The next prime is 122102220013. The reversal of 122102220011 is 110022201221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110022201221 = 106649 ⋅1031629.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122102220011 is a prime.

It is a super-2 number, since 2×122102220011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122102220013) 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, 4444871 + ... + 4472256.

It is an arithmetic number, because the mean of its divisors is an integer number (30527787708).

Almost surely, 2^122102220011 is an apocalyptic number.

122102220011 is a deficient number, since it is larger than the sum of its proper divisors (8930821).

122102220011 is an equidigital number, since it uses as much as digits as its factorization.

122102220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8930820.

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

Adding to 122102220011 its reverse (110022201221), we get a palindrome (232124421232).

The spelling of 122102220011 in words is "one hundred twenty-two billion, one hundred two million, two hundred twenty thousand, eleven".