121222000012102 has 64 divisors (see below), whose sum is σ = 203954248365120. Its totient is φ = 53576474112000.

The previous prime is 121222000012079. The next prime is 121222000012109. The reversal of 121222000012102 is 201210000222121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222000012109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25153738 + ... + 29583010.

It is an arithmetic number, because the mean of its divisors is an integer number (3186785130705).

Almost surely, 2^{121222000012102} is an apocalyptic number.

121222000012102 is a deficient number, since it is larger than the sum of its proper divisors (82732248353018).

121222000012102 is a wasteful number, since it uses less digits than its factorization.

121222000012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429609.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121222000012102 its reverse (201210000222121), we get a palindrome (322432000234223).

The spelling of 121222000012102 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, twelve thousand, one hundred two".