121114212542 has 32 divisors (see below), whose sum is σ = 194322247680. Its totient is φ = 56516110560.

The previous prime is 121114212433. The next prime is 121114212551. The reversal of 121114212542 is 245212411121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76913 + ... + 498140.

It is an arithmetic number, because the mean of its divisors is an integer number (6072570240).

Almost surely, 2^121114212542 is an apocalyptic number.

121114212542 is a deficient number, since it is larger than the sum of its proper divisors (73208035138).

121114212542 is a wasteful number, since it uses less digits than its factorization.

121114212542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575208.

The product of its digits is 1280, while the sum is 26.

Adding to 121114212542 its reverse (245212411121), we get a palindrome (366326623663).

The spelling of 121114212542 in words is "one hundred twenty-one billion, one hundred fourteen million, two hundred twelve thousand, five hundred forty-two".