122002220210111 has 4 divisors (see below), whose sum is σ = 122309530588872. Its totient is φ = 121694909831352.

The previous prime is 122002220210099. The next prime is 122002220210237. The reversal of 122002220210111 is 111012022200221.

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

It is a cyclic number.

It is not a de Polignac number, because 122002220210111 - 2²² = 122002216015807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122002220210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002220210911) 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, 153655188785 + ... + 153655189578.

It is an arithmetic number, because the mean of its divisors is an integer number (30577382647218).

Almost surely, 2^{122002220210111} is an apocalyptic number.

122002220210111 is a deficient number, since it is larger than the sum of its proper divisors (307310378761).

122002220210111 is an equidigital number, since it uses as much as digits as its factorization.

122002220210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307310378760.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122002220210111 its reverse (111012022200221), we get a palindrome (233014242410332).

The spelling of 122002220210111 in words is "one hundred twenty-two trillion, two billion, two hundred twenty million, two hundred ten thousand, one hundred eleven".