121022101122122 has 8 divisors (see below), whose sum is σ = 181533220422372. Its totient is φ = 60511027648000.

The previous prime is 121022101122121. The next prime is 121022101122163. The reversal of 121022101122122 is 221221101220121.

It can be written as a sum of positive squares in 2 ways, for example, as 97132871071201 + 23889230050921 = 9855601^2 + 4887661^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121022101122094 and 121022101122103.

It is not an unprimeable number, because it can be changed into a prime (121022101122121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842129 + ... + 16025172.

Almost surely, 2^{121022101122122} is an apocalyptic number.

121022101122122 is a deficient number, since it is larger than the sum of its proper divisors (60511119300250).

121022101122122 is a wasteful number, since it uses less digits than its factorization.

121022101122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22913064.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121022101122122 its reverse (221221101220121), we get a palindrome (342243202342243).

The spelling of 121022101122122 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred one million, one hundred twenty-two thousand, one hundred twenty-two".