122140211 has 2 divisors, whose sum is σ = 122140212. Its totient is φ = 122140210.

The previous prime is 122140171. The next prime is 122140237. The reversal of 122140211 is 112041221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122140211 - 2⁶ = 122140147 is a prime.

It is a super-2 number, since 2×122140211² = 29836462286249042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122140261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61070105 + 61070106.

It is an arithmetic number, because the mean of its divisors is an integer number (61070106).

Almost surely, 2^122140211 is an apocalyptic number.

122140211 is a deficient number, since it is larger than the sum of its proper divisors (1).

122140211 is an equidigital number, since it uses as much as digits as its factorization.

122140211 is an evil number, because the sum of its binary digits is even.

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

The square root of 122140211 is about 11051.7062483582. The cubic root of 122140211 is about 496.1574939397.

Adding to 122140211 its reverse (112041221), we get a palindrome (234181432).

The spelling of 122140211 in words is "one hundred twenty-two million, one hundred forty thousand, two hundred eleven".