202101121223 has 4 divisors (see below), whose sum is σ = 212738022360. Its totient is φ = 191464220088.

The previous prime is 202101121219. The next prime is 202101121231. The reversal of 202101121223 is 322121101202.

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 202101121223 - 2² = 202101121219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202101121283) 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, 5318450540 + ... + 5318450577.

It is an arithmetic number, because the mean of its divisors is an integer number (53184505590).

Almost surely, 2^202101121223 is an apocalyptic number.

202101121223 is a deficient number, since it is larger than the sum of its proper divisors (10636901137).

202101121223 is a wasteful number, since it uses less digits than its factorization.

202101121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10636901136.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202101121223 its reverse (322121101202), we get a palindrome (524222222425).

The spelling of 202101121223 in words is "two hundred two billion, one hundred one million, one hundred twenty-one thousand, two hundred twenty-three".