20211121201102 has 32 divisors (see below), whose sum is σ = 33094562649120. Its totient is φ = 9201516931200.

The previous prime is 20211121201097. The next prime is 20211121201153. The reversal of 20211121201102 is 20110212111202.

It is a super-2 number, since 2×20211121201102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13599448 + ... + 15012235.

It is an arithmetic number, because the mean of its divisors is an integer number (1034205082785).

Almost surely, 2^{20211121201102} is an apocalyptic number.

20211121201102 is a deficient number, since it is larger than the sum of its proper divisors (12883441448018).

20211121201102 is a wasteful number, since it uses less digits than its factorization.

20211121201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28612068.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20211121201102 its reverse (20110212111202), we get a palindrome (40321333312304).

The spelling of 20211121201102 in words is "twenty trillion, two hundred eleven billion, one hundred twenty-one million, two hundred one thousand, one hundred two".