21101334122 has 16 divisors (see below), whose sum is σ = 34575096672. Its totient is φ = 9578837520.

The previous prime is 21101334109. The next prime is 21101334131. The reversal of 21101334122 is 22143310112.

It is a junction number, because it is equal to n+sod(n) for n = 21101334094 and 21101334103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616868 + ... + 650175.

It is an arithmetic number, because the mean of its divisors is an integer number (2160943542).

Almost surely, 2^21101334122 is an apocalyptic number.

21101334122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21101334122 is a deficient number, since it is larger than the sum of its proper divisors (13473762550).

21101334122 is a wasteful number, since it uses less digits than its factorization.

21101334122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267813.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21101334122 its reverse (22143310112), we get a palindrome (43244644234).

The spelling of 21101334122 in words is "twenty-one billion, one hundred one million, three hundred thirty-four thousand, one hundred twenty-two".