21202201201101 has 16 divisors (see below), whose sum is σ = 28478461759488. Its totient is φ = 14030687658800.

The previous prime is 21202201201079. The next prime is 21202201201123. The reversal of 21202201201101 is 10110210220212.

It is an interprime number because it is at equal distance from previous prime (21202201201079) and next prime (21202201201123).

It is a cyclic number.

It is not a de Polignac number, because 21202201201101 - 2¹⁸ = 21202200938957 is a prime.

It is a super-2 number, since 2×21202201201101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202202201101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39349215 + ... + 39884396.

It is an arithmetic number, because the mean of its divisors is an integer number (1779903859968).

Almost surely, 2^{21202201201101} is an apocalyptic number.

It is an amenable number.

21202201201101 is a deficient number, since it is larger than the sum of its proper divisors (7276260558387).

21202201201101 is a wasteful number, since it uses less digits than its factorization.

21202201201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79234272.

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

Adding to 21202201201101 its reverse (10110210220212), we get a palindrome (31312411421313).

The spelling of 21202201201101 in words is "twenty-one trillion, two hundred two billion, two hundred one million, two hundred one thousand, one hundred one".