122120021221112 has 8 divisors (see below), whose sum is σ = 228975039789600. Its totient is φ = 61060010610552.

The previous prime is 122120021221103. The next prime is 122120021221217. The reversal of 122120021221112 is 211122120021221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7632501326312 + ... + 7632501326327.

It is an arithmetic number, because the mean of its divisors is an integer number (28621879973700).

Almost surely, 2^{122120021221112} is an apocalyptic number.

It is an amenable number.

122120021221112 is a deficient number, since it is larger than the sum of its proper divisors (106855018568488).

122120021221112 is a wasteful number, since it uses less digits than its factorization.

122120021221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15265002652645 (or 15265002652641 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122120021221112 its reverse (211122120021221), we get a palindrome (333242141242333).

The spelling of 122120021221112 in words is "one hundred twenty-two trillion, one hundred twenty billion, twenty-one million, two hundred twenty-one thousand, one hundred twelve".