211121011202023 has 8 divisors (see below), whose sum is σ = 227376020643408. Its totient is φ = 194868134854464.

The previous prime is 211121011201949. The next prime is 211121011202033. The reversal of 211121011202023 is 320202110121112.

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

It is a cyclic number.

It is not a de Polignac number, because 211121011202023 - 2⁴¹ = 208921987946471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121011202033) 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, 533067886 + ... + 533463787.

It is an arithmetic number, because the mean of its divisors is an integer number (28422002580426).

Almost surely, 2^{211121011202023} is an apocalyptic number.

211121011202023 is a deficient number, since it is larger than the sum of its proper divisors (16255009441385).

211121011202023 is a wasteful number, since it uses less digits than its factorization.

211121011202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066546913.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211121011202023 its reverse (320202110121112), we get a palindrome (531323121323135).

The spelling of 211121011202023 in words is "two hundred eleven trillion, one hundred twenty-one billion, eleven million, two hundred two thousand, twenty-three".