122121012211 has 8 divisors (see below), whose sum is σ = 133245004464. Its totient is φ = 111000700320.

The previous prime is 122121012191. The next prime is 122121012229. The reversal of 122121012211 is 112210121221.

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 122121012211 - 2³³ = 113531077619 is a prime.

It is a super-2 number, since 2×122121012211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122121012271) 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, 850476 + ... + 983641.

It is an arithmetic number, because the mean of its divisors is an integer number (16655625558).

Almost surely, 2^122121012211 is an apocalyptic number.

122121012211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122121012211 is a deficient number, since it is larger than the sum of its proper divisors (11123992253).

122121012211 is a wasteful number, since it uses less digits than its factorization.

122121012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840181.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122121012211 its reverse (112210121221), we get a palindrome (234331133432).

The spelling of 122121012211 in words is "one hundred twenty-two billion, one hundred twenty-one million, twelve thousand, two hundred eleven".