122121010211 has 8 divisors (see below), whose sum is σ = 122414483184. Its totient is φ = 121827847680.

The previous prime is 122121010201. The next prime is 122121010217. The reversal of 122121010211 is 112010121221.

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 122121010211 - 2³⁰ = 121047268387 is a prime.

It is a super-2 number, since 2×122121010211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122121010217) 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, 719891 + ... + 873203.

It is an arithmetic number, because the mean of its divisors is an integer number (15301810398).

Almost surely, 2^122121010211 is an apocalyptic number.

122121010211 is a deficient number, since it is larger than the sum of its proper divisors (293472973).

122121010211 is a wasteful number, since it uses less digits than its factorization.

122121010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155221.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122121010211 its reverse (112010121221), we get a palindrome (234131131432).

It can be divided in two parts, 122121010 and 211, that added together give a palindrome (122121221).

The spelling of 122121010211 in words is "one hundred twenty-two billion, one hundred twenty-one million, ten thousand, two hundred eleven".