122120100111 has 8 divisors (see below), whose sum is σ = 163098633600. Its totient is φ = 81277483352.

The previous prime is 122120100101. The next prime is 122120100121. The reversal of 122120100111 is 111001021221.

It is an interprime number because it is at equal distance from previous prime (122120100101) and next prime (122120100121).

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 122120100111 - 2¹⁴ = 122120083727 is a prime.

It is a super-2 number, since 2×122120100111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120100101) 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, 33977085 + ... + 33980678.

It is an arithmetic number, because the mean of its divisors is an integer number (20387329200).

Almost surely, 2^122120100111 is an apocalyptic number.

122120100111 is a deficient number, since it is larger than the sum of its proper divisors (40978533489).

122120100111 is an equidigital number, since it uses as much as digits as its factorization.

122120100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67958365.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122120100111 its reverse (111001021221), we get a palindrome (233121121332).

The spelling of 122120100111 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred thousand, one hundred eleven".