21141122 has 16 divisors (see below), whose sum is σ = 32598720. Its totient is φ = 10277232.

The previous prime is 21141103. The next prime is 21141137. The reversal of 21141122 is 22114112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21141097 and 21141106.

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, 24779 + ... + 25617.

It is an arithmetic number, because the mean of its divisors is an integer number (2037420).

Almost surely, 2^21141122 is an apocalyptic number.

21141122 is a deficient number, since it is larger than the sum of its proper divisors (11457598).

21141122 is a wasteful number, since it uses less digits than its factorization.

21141122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its digits is 32, while the sum is 14.

The square root of 21141122 is about 4597.9475856082. The cubic root of 21141122 is about 276.5090462004.

Adding to 21141122 its reverse (22114112), we get a palindrome (43255234).

It can be divided in two parts, 2114112 and 2, that multiplied together give a palindrome (4228224).

The spelling of 21141122 in words is "twenty-one million, one hundred forty-one thousand, one hundred twenty-two".