121210102 has 32 divisors (see below), whose sum is σ = 210464352. Its totient is φ = 51853824.

The previous prime is 121210081. The next prime is 121210157. The reversal of 121210102 is 201012121.

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, 27568 + ... + 31660.

It is an arithmetic number, because the mean of its divisors is an integer number (6577011).

Almost surely, 2^121210102 is an apocalyptic number.

121210102 is a deficient number, since it is larger than the sum of its proper divisors (89254250).

121210102 is a wasteful number, since it uses less digits than its factorization.

121210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 121210102 is about 11009.5459488573. The cubic root of 121210102 is about 494.8948550608.

Adding to 121210102 its reverse (201012121), we get a palindrome (322222223).

The spelling of 121210102 in words is "one hundred twenty-one million, two hundred ten thousand, one hundred two".