121022142430211 has 6 divisors (see below), whose sum is σ = 133024338373836. Its totient is φ = 110020129481900.

The previous prime is 121022142430193. The next prime is 121022142430283. The reversal of 121022142430211 is 112034241220121.

It is not a de Polignac number, because 121022142430211 - 2²² = 121022138235907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022142430411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500091497525 + ... + 500091497766.

It is an arithmetic number, because the mean of its divisors is an integer number (22170723062306).

Almost surely, 2^{121022142430211} is an apocalyptic number.

121022142430211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121022142430211 is a deficient number, since it is larger than the sum of its proper divisors (12002195943625).

121022142430211 is a wasteful number, since it uses less digits than its factorization.

121022142430211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000182995313 (or 1000182995302 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 121022142430211 its reverse (112034241220121), we get a palindrome (233056383650332).

The spelling of 121022142430211 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred forty-two million, four hundred thirty thousand, two hundred eleven".