121121012122102 has 8 divisors (see below), whose sum is σ = 182481877294776. Its totient is φ = 60293719690512.

The previous prime is 121121012122073. The next prime is 121121012122141. The reversal of 121121012122102 is 201221210121121.

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 3×121121012122102³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121121012122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133393184703 + ... + 133393185610.

It is an arithmetic number, because the mean of its divisors is an integer number (22810234661847).

Almost surely, 2^{121121012122102} is an apocalyptic number.

121121012122102 is a deficient number, since it is larger than the sum of its proper divisors (61360865172674).

121121012122102 is a wasteful number, since it uses less digits than its factorization.

121121012122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266786370542.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121121012122102 its reverse (201221210121121), we get a palindrome (322342222243223).

The spelling of 121121012122102 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, twelve million, one hundred twenty-two thousand, one hundred two".