21220134003002 has 16 divisors (see below), whose sum is σ = 34723988589312. Its totient is φ = 9645478525920.

The previous prime is 21220134002993. The next prime is 21220134003011. The reversal of 21220134003002 is 20030043102212.

It is an interprime number because it is at equal distance from previous prime (21220134002993) and next prime (21220134003011).

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, 4517558 + ... + 7927710.

It is an arithmetic number, because the mean of its divisors is an integer number (2170249286832).

Almost surely, 2^{21220134003002} is an apocalyptic number.

21220134003002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21220134003002 is a deficient number, since it is larger than the sum of its proper divisors (13503854586310).

21220134003002 is a wasteful number, since it uses less digits than its factorization.

21220134003002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693013.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21220134003002 its reverse (20030043102212), we get a palindrome (41250177105214).

The spelling of 21220134003002 in words is "twenty-one trillion, two hundred twenty billion, one hundred thirty-four million, three thousand, two".