21022000210101 has 64 divisors (see below), whose sum is σ = 33519182054400. Its totient is φ = 11568463334400.

The previous prime is 21022000210069. The next prime is 21022000210103. The reversal of 21022000210101 is 10101200022012.

It is not a de Polignac number, because 21022000210101 - 2⁵ = 21022000210069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022000210103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19969506 + ... + 20995836.

It is an arithmetic number, because the mean of its divisors is an integer number (523737219600).

Almost surely, 2^{21022000210101} is an apocalyptic number.

It is an amenable number.

21022000210101 is a deficient number, since it is larger than the sum of its proper divisors (12497181844299).

21022000210101 is a wasteful number, since it uses less digits than its factorization.

21022000210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027650.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21022000210101 its reverse (10101200022012), we get a palindrome (31123200232113).

The spelling of 21022000210101 in words is "twenty-one trillion, twenty-two billion, two hundred ten thousand, one hundred one".