21102201122 has 8 divisors (see below), whose sum is σ = 31654225872. Its totient is φ = 10550792500.

The previous prime is 21102201101. The next prime is 21102201137. The reversal of 21102201122 is 22110220112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21102201097 and 21102201106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55904 + ... + 212907.

It is an arithmetic number, because the mean of its divisors is an integer number (3956778234).

Almost surely, 2^21102201122 is an apocalyptic number.

21102201122 is a deficient number, since it is larger than the sum of its proper divisors (10552024750).

21102201122 is a wasteful number, since it uses less digits than its factorization.

21102201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308064.

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

Adding to 21102201122 its reverse (22110220112), we get a palindrome (43212421234).

It can be divided in two parts, 2110220112 and 2, that multiplied together give a palindrome (4220440224).

The spelling of 21102201122 in words is "twenty-one billion, one hundred two million, two hundred one thousand, one hundred twenty-two".