21022012020002 has 8 divisors (see below), whose sum is σ = 36037734891456. Its totient is φ = 9009433722852.

The previous prime is 21022012019993. The next prime is 21022012020013. The reversal of 21022012020002 is 20002021022012.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1501572287143 = 21022012020002 / (2 + 1 + 0 + 2 + 2 + 0 + 1 + 2 + 0 + 2 + 0 + 0 + 0 + 2).

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, 750786143558 + ... + 750786143585.

It is an arithmetic number, because the mean of its divisors is an integer number (4504716861432).

Almost surely, 2^{21022012020002} is an apocalyptic number.

21022012020002 is a deficient number, since it is larger than the sum of its proper divisors (15015722871454).

21022012020002 is a wasteful number, since it uses less digits than its factorization.

21022012020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501572287152.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21022012020002 its reverse (20002021022012), we get a palindrome (41024033042014).

The spelling of 21022012020002 in words is "twenty-one trillion, twenty-two billion, twelve million, twenty thousand, two".