20110204412111 has 16 divisors (see below), whose sum is σ = 21945978141696. Its totient is φ = 18275693940000.

The previous prime is 20110204412107. The next prime is 20110204412119. The reversal of 20110204412111 is 11121440201102.

It is a cyclic number.

It is not a de Polignac number, because 20110204412111 - 2² = 20110204412107 is a prime.

It is a super-2 number, since 2×20110204412111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110204412119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567089921 + ... + 567125381.

It is an arithmetic number, because the mean of its divisors is an integer number (1371623633856).

Almost surely, 2^{20110204412111} is an apocalyptic number.

20110204412111 is a deficient number, since it is larger than the sum of its proper divisors (1835773729585).

20110204412111 is a wasteful number, since it uses less digits than its factorization.

20110204412111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51814.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 20110204412111 its reverse (11121440201102), we get a palindrome (31231644613213).

The spelling of 20110204412111 in words is "twenty trillion, one hundred ten billion, two hundred four million, four hundred twelve thousand, one hundred eleven".