21150011411106 has 16 divisors (see below), whose sum is σ = 43758644299200. Its totient is φ = 6806900224208.

The previous prime is 21150011411101. The next prime is 21150011411119. The reversal of 21150011411106 is 60111411005112.

It is not an unprimeable number, because it can be changed into a prime (21150011411101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60775894686 + ... + 60775895033.

It is an arithmetic number, because the mean of its divisors is an integer number (2734915268700).

Almost surely, 2^{21150011411106} is an apocalyptic number.

21150011411106 is an abundant number, since it is smaller than the sum of its proper divisors (22608632888094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21150011411106 is a wasteful number, since it uses less digits than its factorization.

21150011411106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121551789753.

The product of its (nonzero) digits is 240, while the sum is 24.

Adding to 21150011411106 its reverse (60111411005112), we get a palindrome (81261422416218).

The spelling of 21150011411106 in words is "twenty-one trillion, one hundred fifty billion, eleven million, four hundred eleven thousand, one hundred six".