121303400540102 has 8 divisors (see below), whose sum is σ = 198496473611112. Its totient is φ = 55137909336400.

The previous prime is 121303400540083. The next prime is 121303400540107. The reversal of 121303400540102 is 201045004303121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×121303400540102³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121303400540107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756895466799 + ... + 2756895466842.

It is an arithmetic number, because the mean of its divisors is an integer number (24812059201389).

Almost surely, 2^{121303400540102} is an apocalyptic number.

121303400540102 is a deficient number, since it is larger than the sum of its proper divisors (77193073071010).

121303400540102 is a wasteful number, since it uses less digits than its factorization.

121303400540102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513790933654.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 121303400540102 its reverse (201045004303121), we get a palindrome (322348404843223).

The spelling of 121303400540102 in words is "one hundred twenty-one trillion, three hundred three billion, four hundred million, five hundred forty thousand, one hundred two".