21452221301002 has 8 divisors (see below), whose sum is σ = 33216342659712. Its totient is φ = 10380107081100.

The previous prime is 21452221300969. The next prime is 21452221301023. The reversal of 21452221301002 is 20010312225412.

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, 173001784624 + ... + 173001784747.

It is an arithmetic number, because the mean of its divisors is an integer number (4152042832464).

Almost surely, 2^{21452221301002} is an apocalyptic number.

21452221301002 is a deficient number, since it is larger than the sum of its proper divisors (11764121358710).

21452221301002 is a wasteful number, since it uses less digits than its factorization.

21452221301002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346003569404.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 21452221301002 its reverse (20010312225412), we get a palindrome (41462533526414).

The spelling of 21452221301002 in words is "twenty-one trillion, four hundred fifty-two billion, two hundred twenty-one million, three hundred one thousand, two".