22121420002 has 8 divisors (see below), whose sum is σ = 36198687312. Its totient is φ = 10055190900.

The previous prime is 22121419973. The next prime is 22121420063. The reversal of 22121420002 is 20002412122.

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

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, 502759524 + ... + 502759567.

It is an arithmetic number, because the mean of its divisors is an integer number (4524835914).

Almost surely, 2^22121420002 is an apocalyptic number.

22121420002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22121420002 is a deficient number, since it is larger than the sum of its proper divisors (14077267310).

22121420002 is a wasteful number, since it uses less digits than its factorization.

22121420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005519104.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22121420002 its reverse (20002412122), we get a palindrome (42123832124).

The spelling of 22121420002 in words is "twenty-two billion, one hundred twenty-one million, four hundred twenty thousand, two".