122110001211011 has 4 divisors (see below), whose sum is σ = 133210910412024. Its totient is φ = 111009092010000.

The previous prime is 122110001210971. The next prime is 122110001211101. The reversal of 122110001211011 is 110112100011221.

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-122110001211011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122110001291011) 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, 5550454600490 + ... + 5550454600511.

It is an arithmetic number, because the mean of its divisors is an integer number (33302727603006).

Almost surely, 2^{122110001211011} is an apocalyptic number.

122110001211011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122110001211011 is a deficient number, since it is larger than the sum of its proper divisors (11100909201013).

122110001211011 is a wasteful number, since it uses less digits than its factorization.

122110001211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100909201012.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 122110001211011 its reverse (110112100011221), we get a palindrome (232222101222232).

The spelling of 122110001211011 in words is "one hundred twenty-two trillion, one hundred ten billion, one million, two hundred eleven thousand, eleven".