121022010210223 has 4 divisors (see below), whose sum is σ = 124925946023488. Its totient is φ = 117118074396960.

The previous prime is 121022010210221. The next prime is 121022010210281. The reversal of 121022010210223 is 322012010220121.

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 121022010210223 - 2¹ = 121022010210221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121022010210223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022010210221) 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, 1951967906586 + ... + 1951967906647.

It is an arithmetic number, because the mean of its divisors is an integer number (31231486505872).

Almost surely, 2^{121022010210223} is an apocalyptic number.

121022010210223 is a deficient number, since it is larger than the sum of its proper divisors (3903935813265).

121022010210223 is an equidigital number, since it uses as much as digits as its factorization.

121022010210223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903935813264.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121022010210223 its reverse (322012010220121), we get a palindrome (443034020430344).

The spelling of 121022010210223 in words is "one hundred twenty-one trillion, twenty-two billion, ten million, two hundred ten thousand, two hundred twenty-three".