10011101202221 has 24 divisors (see below), whose sum is σ = 12155954454336. Its totient is φ = 8074792627200.

The previous prime is 10011101202217. The next prime is 10011101202283. The reversal of 10011101202221 is 12220210111001.

It is not a de Polignac number, because 10011101202221 - 2² = 10011101202217 is a prime.

It is a super-2 number, since 2×10011101202221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10011101202196 and 10011101202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011101202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11413685 + ... + 12259461.

It is an arithmetic number, because the mean of its divisors is an integer number (506498102264).

Almost surely, 2^{10011101202221} is an apocalyptic number.

It is an amenable number.

10011101202221 is a deficient number, since it is larger than the sum of its proper divisors (2144853252115).

10011101202221 is an equidigital number, since it uses as much as digits as its factorization.

10011101202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851669 (or 851652 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10011101202221 its reverse (12220210111001), we get a palindrome (22231311313222).

The spelling of 10011101202221 in words is "ten trillion, eleven billion, one hundred one million, two hundred two thousand, two hundred twenty-one".