121211002122022 has 4 divisors (see below), whose sum is σ = 181816503183036. Its totient is φ = 60605501061010.

The previous prime is 121211002122017. The next prime is 121211002122047. The reversal of 121211002122022 is 220221200112121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30302750530504 + ... + 30302750530507.

It is an arithmetic number, because the mean of its divisors is an integer number (45454125795759).

Almost surely, 2^{121211002122022} is an apocalyptic number.

121211002122022 is a deficient number, since it is larger than the sum of its proper divisors (60605501061014).

121211002122022 is an equidigital number, since it uses as much as digits as its factorization.

121211002122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60605501061013.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121211002122022 its reverse (220221200112121), we get a palindrome (341432202234143).

The spelling of 121211002122022 in words is "one hundred twenty-one trillion, two hundred eleven billion, two million, one hundred twenty-two thousand, twenty-two".