121322102 has 48 divisors (see below), whose sum is σ = 212357376. Its totient is φ = 51836400.

The previous prime is 121322101. The next prime is 121322129. The reversal of 121322102 is 201223121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121322101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395033 + ... + 395339.

It is an arithmetic number, because the mean of its divisors is an integer number (4424112).

Almost surely, 2^121322102 is an apocalyptic number.

121322102 is a deficient number, since it is larger than the sum of its proper divisors (91035274).

121322102 is a wasteful number, since it uses less digits than its factorization.

121322102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 121322102 is about 11014.6312693617. The cubic root of 121322102 is about 495.0472382902.

Adding to 121322102 its reverse (201223121), we get a palindrome (322545223).

It can be divided in two parts, 121 and 322102, that added together give a palindrome (322223).

The spelling of 121322102 in words is "one hundred twenty-one million, three hundred twenty-two thousand, one hundred two".