121000101012122 has 8 divisors (see below), whose sum is σ = 181555134912372. Its totient is φ = 60481722708000.

The previous prime is 121000101012103. The next prime is 121000101012143. The reversal of 121000101012122 is 221210101000121.

It can be written as a sum of positive squares in 2 ways, for example, as 118984442184001 + 2015658828121 = 10907999^2 + 1419739^2 .

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 = 121000101012097 and 121000101012106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9163890779 + ... + 9163903982.

Almost surely, 2^{121000101012122} is an apocalyptic number.

121000101012122 is a deficient number, since it is larger than the sum of its proper divisors (60555033900250).

121000101012122 is a wasteful number, since it uses less digits than its factorization.

121000101012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18327798064.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121000101012122 its reverse (221210101000121), we get a palindrome (342210202012243).

The spelling of 121000101012122 in words is "one hundred twenty-one trillion, one hundred one million, twelve thousand, one hundred twenty-two".