121121114054 has 4 divisors (see below), whose sum is σ = 181681671084. Its totient is φ = 60560557026.

The previous prime is 121121114053. The next prime is 121121114069. The reversal of 121121114054 is 450411121121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121114053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30280278512 + ... + 30280278515.

It is an arithmetic number, because the mean of its divisors is an integer number (45420417771).

Almost surely, 2^121121114054 is an apocalyptic number.

121121114054 is a deficient number, since it is larger than the sum of its proper divisors (60560557030).

121121114054 is an equidigital number, since it uses as much as digits as its factorization.

121121114054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60560557029.

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 121121114054 its reverse (450411121121), we get a palindrome (571532235175).

The spelling of 121121114054 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred fourteen thousand, fifty-four".