21202000211002 has 16 divisors (see below), whose sum is σ = 34249476774240. Its totient is φ = 9785512325232.

The previous prime is 21202000210999. The next prime is 21202000211023. The reversal of 21202000211002 is 20011200020212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 11551749 + ... + 13260727.

It is an arithmetic number, because the mean of its divisors is an integer number (2140592298390).

Almost surely, 2^{21202000211002} is an apocalyptic number.

21202000211002 is a deficient number, since it is larger than the sum of its proper divisors (13047476563238).

21202000211002 is a wasteful number, since it uses less digits than its factorization.

21202000211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186157.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21202000211002 its reverse (20011200020212), we get a palindrome (41213200231214).

The spelling of 21202000211002 in words is "twenty-one trillion, two hundred two billion, two hundred eleven thousand, two".