20211110021110 has 32 divisors (see below), whose sum is σ = 38340928965600. Its totient is φ = 7649708117760.

The previous prime is 20211110021087. The next prime is 20211110021117. The reversal of 20211110021110 is 1112001111202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211110021117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64000671 + ... + 64315690.

It is an arithmetic number, because the mean of its divisors is an integer number (1198154030175).

Almost surely, 2^{20211110021110} is an apocalyptic number.

20211110021110 is a deficient number, since it is larger than the sum of its proper divisors (18129818944490).

20211110021110 is a wasteful number, since it uses less digits than its factorization.

20211110021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128317216.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20211110021110 its reverse (1112001111202), we get a palindrome (21323111132312).

The spelling of 20211110021110 in words is "twenty trillion, two hundred eleven billion, one hundred ten million, twenty-one thousand, one hundred ten".