201202211121023 has 32 divisors (see below), whose sum is σ = 238763496491520. Its totient is φ = 165980844247680.

The previous prime is 201202211120983. The next prime is 201202211121031. The reversal of 201202211121023 is 320121112202102.

It is not a de Polignac number, because 201202211121023 - 2⁶ = 201202211120959 is a prime.

It is a super-2 number, since 2×201202211121023² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201202211120986 and 201202211121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202211121053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11002265 + ... + 22879122.

It is an arithmetic number, because the mean of its divisors is an integer number (7461359265360).

Almost surely, 2^{201202211121023} is an apocalyptic number.

201202211121023 is a deficient number, since it is larger than the sum of its proper divisors (37561285370497).

201202211121023 is a wasteful number, since it uses less digits than its factorization.

201202211121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33881727.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 201202211121023 its reverse (320121112202102), we get a palindrome (521323323323125).

The spelling of 201202211121023 in words is "two hundred one trillion, two hundred two billion, two hundred eleven million, one hundred twenty-one thousand, twenty-three".