121022000202021 has 8 divisors (see below), whose sum is σ = 161397586380384. Its totient is φ = 80663873745840.

The previous prime is 121022000202007. The next prime is 121022000202029. The reversal of 121022000202021 is 120202000220121.

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

It is not a de Polignac number, because 121022000202021 - 2¹⁸ = 121021999939877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022000202029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4364914371 + ... + 4364942096.

It is an arithmetic number, because the mean of its divisors is an integer number (20174698297548).

Almost surely, 2^{121022000202021} is an apocalyptic number.

It is an amenable number.

121022000202021 is a deficient number, since it is larger than the sum of its proper divisors (40375586178363).

121022000202021 is an equidigital number, since it uses as much as digits as its factorization.

121022000202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729861091.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121022000202021 its reverse (120202000220121), we get a palindrome (241224000422142).

The spelling of 121022000202021 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred two thousand, twenty-one".