121201111022 has 4 divisors (see below), whose sum is σ = 181801666536. Its totient is φ = 60600555510.

The previous prime is 121201111013. The next prime is 121201111033. The reversal of 121201111022 is 220111102121.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 121201110988 and 121201111006.

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, 30300277754 + ... + 30300277757.

It is an arithmetic number, because the mean of its divisors is an integer number (45450416634).

Almost surely, 2^121201111022 is an apocalyptic number.

121201111022 is a deficient number, since it is larger than the sum of its proper divisors (60600555514).

121201111022 is an equidigital number, since it uses as much as digits as its factorization.

121201111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60600555513.

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

Adding to 121201111022 its reverse (220111102121), we get a palindrome (341312213143).

The spelling of 121201111022 in words is "one hundred twenty-one billion, two hundred one million, one hundred eleven thousand, twenty-two".