21220210101201 has 64 divisors (see below), whose sum is σ = 30210164330496. Its totient is φ = 13220187552000.

The previous prime is 21220210101091. The next prime is 21220210101241. The reversal of 21220210101201 is 10210101202212.

It is not a de Polignac number, because 21220210101201 - 2⁹ = 21220210100689 is a prime.

It is a super-2 number, since 2×21220210101201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21220210101241) 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, 2676949500 + ... + 2676957426.

It is an arithmetic number, because the mean of its divisors is an integer number (472033817664).

Almost surely, 2^{21220210101201} is an apocalyptic number.

It is an amenable number.

21220210101201 is a deficient number, since it is larger than the sum of its proper divisors (8989954229295).

21220210101201 is a wasteful number, since it uses less digits than its factorization.

21220210101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21220210101201 its reverse (10210101202212), we get a palindrome (31430311303413).

The spelling of 21220210101201 in words is "twenty-one trillion, two hundred twenty billion, two hundred ten million, one hundred one thousand, two hundred one".