121202012210102 has 8 divisors (see below), whose sum is σ = 192497313510216. Its totient is φ = 57036241040032.

The previous prime is 121202012210099. The next prime is 121202012210113. The reversal of 121202012210102 is 201012210202121.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 1782382532468 + ... + 1782382532535.

It is an arithmetic number, because the mean of its divisors is an integer number (24062164188777).

Almost surely, 2^{121202012210102} is an apocalyptic number.

121202012210102 is a deficient number, since it is larger than the sum of its proper divisors (71295301300114).

121202012210102 is a wasteful number, since it uses less digits than its factorization.

121202012210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564765065022.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121202012210102 its reverse (201012210202121), we get a palindrome (322214222412223).

The spelling of 121202012210102 in words is "one hundred twenty-one trillion, two hundred two billion, twelve million, two hundred ten thousand, one hundred two".