122010210121211 has 16 divisors (see below), whose sum is σ = 124017820080000. Its totient is φ = 120014945796096.

The previous prime is 122010210121207. The next prime is 122010210121253. The reversal of 122010210121211 is 112121012010221.

It is a cyclic number.

It is not a de Polignac number, because 122010210121211 - 2² = 122010210121207 is a prime.

It is a super-3 number, since 3×122010210121211³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122010210121211.

It is not an unprimeable number, because it can be changed into a prime (122010210121271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22391945 + ... + 27302373.

It is an arithmetic number, because the mean of its divisors is an integer number (7751113755000).

Almost surely, 2^{122010210121211} is an apocalyptic number.

122010210121211 is a deficient number, since it is larger than the sum of its proper divisors (2007609958789).

122010210121211 is an equidigital number, since it uses as much as digits as its factorization.

122010210121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911686.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122010210121211 its reverse (112121012010221), we get a palindrome (234131222131432).

The spelling of 122010210121211 in words is "one hundred twenty-two trillion, ten billion, two hundred ten million, one hundred twenty-one thousand, two hundred eleven".