122110030212221 has 12 divisors (see below), whose sum is σ = 123347302027296. Its totient is φ = 120885049801200.

The previous prime is 122110030212113. The next prime is 122110030212281. The reversal of 122110030212221 is 122212030011221.

It is a de Polignac number, because none of the positive numbers 2^k-122110030212221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122110030212193 and 122110030212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110030212281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76812206 + ... + 78385808.

It is an arithmetic number, because the mean of its divisors is an integer number (10278941835608).

Almost surely, 2^{122110030212221} is an apocalyptic number.

It is an amenable number.

122110030212221 is a deficient number, since it is larger than the sum of its proper divisors (1237271815075).

122110030212221 is an equidigital number, since it uses as much as digits as its factorization.

122110030212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581412 (or 1581311 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 122110030212221 its reverse (122212030011221), we get a palindrome (244322060223442).

The spelling of 122110030212221 in words is "one hundred twenty-two trillion, one hundred ten billion, thirty million, two hundred twelve thousand, two hundred twenty-one".