121110210022 has 4 divisors (see below), whose sum is σ = 181665315036. Its totient is φ = 60555105010.

The previous prime is 121110209999. The next prime is 121110210121. The reversal of 121110210022 is 220012011121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220012011121 = 7 ⋅31430287303.

It is a junction number, because it is equal to n+sod(n) for n = 121110209984 and 121110210011.

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, 30277552504 + ... + 30277552507.

It is an arithmetic number, because the mean of its divisors is an integer number (45416328759).

Almost surely, 2^121110210022 is an apocalyptic number.

121110210022 is a deficient number, since it is larger than the sum of its proper divisors (60555105014).

121110210022 is an equidigital number, since it uses as much as digits as its factorization.

121110210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60555105013.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121110210022 its reverse (220012011121), we get a palindrome (341122221143).

The spelling of 121110210022 in words is "one hundred twenty-one billion, one hundred ten million, two hundred ten thousand, twenty-two".