121020112102 has 8 divisors (see below), whose sum is σ = 181534147200. Its totient is φ = 60508729704.

The previous prime is 121020112099. The next prime is 121020112111. The reversal of 121020112102 is 201211020121.

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

It is a super-3 number, since 3×121020112102³ (a number of 34 digits) contains 333 as substring.

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, 544902 + ... + 734137.

It is an arithmetic number, because the mean of its divisors is an integer number (22691768400).

Almost surely, 2^121020112102 is an apocalyptic number.

121020112102 is a deficient number, since it is larger than the sum of its proper divisors (60514035098).

121020112102 is a wasteful number, since it uses less digits than its factorization.

121020112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326350.

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

Adding to 121020112102 its reverse (201211020121), we get a palindrome (322231132223).

The spelling of 121020112102 in words is "one hundred twenty-one billion, twenty million, one hundred twelve thousand, one hundred two".