121001202223 has 4 divisors (see below), whose sum is σ = 132001311528. Its totient is φ = 110001092920.

The previous prime is 121001202193. The next prime is 121001202239. The reversal of 121001202223 is 322202100121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121001202223 - 2¹³ = 121001194031 is a prime.

It is a super-2 number, since 2×121001202223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121001202197 and 121001202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001202293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500054636 + ... + 5500054657.

It is an arithmetic number, because the mean of its divisors is an integer number (33000327882).

Almost surely, 2^121001202223 is an apocalyptic number.

121001202223 is a deficient number, since it is larger than the sum of its proper divisors (11000109305).

121001202223 is a wasteful number, since it uses less digits than its factorization.

121001202223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000109304.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121001202223 its reverse (322202100121), we get a palindrome (443203302344).

The spelling of 121001202223 in words is "one hundred twenty-one billion, one million, two hundred two thousand, two hundred twenty-three".