122000001011111 has 8 divisors (see below), whose sum is σ = 123106703974800. Its totient is φ = 120893772730752.

The previous prime is 122000001011071. The next prime is 122000001011123. The reversal of 122000001011111 is 111110100000221.

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

It is a cyclic number.

It is not a de Polignac number, because 122000001011111 - 2⁶ = 122000001011047 is a prime.

It is a super-2 number, since 2×122000001011111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000001011092 and 122000001011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000001011131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118154465 + ... + 119182538.

It is an arithmetic number, because the mean of its divisors is an integer number (15388337996850).

Almost surely, 2^{122000001011111} is an apocalyptic number.

122000001011111 is a deficient number, since it is larger than the sum of its proper divisors (1106702963689).

122000001011111 is a wasteful number, since it uses less digits than its factorization.

122000001011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237341665.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 122000001011111 its reverse (111110100000221), we get a palindrome (233110101011332).

The spelling of 122000001011111 in words is "one hundred twenty-two trillion, one million, eleven thousand, one hundred eleven".