20211121202 has 16 divisors (see below), whose sum is σ = 30741068160. Its totient is φ = 9964180512.

The previous prime is 20211121201. The next prime is 20211121207. The reversal of 20211121202 is 20212111202.

It is a super-3 number, since 3×20211121202³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20211121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524363 + ... + 561585.

It is an arithmetic number, because the mean of its divisors is an integer number (1921316760).

Almost surely, 2^20211121202 is an apocalyptic number.

20211121202 is a deficient number, since it is larger than the sum of its proper divisors (10529946958).

20211121202 is a wasteful number, since it uses less digits than its factorization.

20211121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41017.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20211121202 its reverse (20212111202), we get a palindrome (40423232404).

The spelling of 20211121202 in words is "twenty billion, two hundred eleven million, one hundred twenty-one thousand, two hundred two".