21122002022102 has 8 divisors (see below), whose sum is σ = 32009631930696. Its totient is φ = 10452124711872.

The previous prime is 21122002022053. The next prime is 21122002022137. The reversal of 21122002022102 is 20122020022112.

It is a happy number.

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

It is a super-2 number, since 2×21122002022102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 54438149348 + ... + 54438149735.

It is an arithmetic number, because the mean of its divisors is an integer number (4001203991337).

Almost surely, 2^{21122002022102} is an apocalyptic number.

21122002022102 is a deficient number, since it is larger than the sum of its proper divisors (10887629908594).

21122002022102 is a wasteful number, since it uses less digits than its factorization.

21122002022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108876299182.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21122002022102 its reverse (20122020022112), we get a palindrome (41244022044214).

The spelling of 21122002022102 in words is "twenty-one trillion, one hundred twenty-two billion, two million, twenty-two thousand, one hundred two".