10211110020221 has 8 divisors (see below), whose sum is σ = 11623714173504. Its totient is φ = 8879226104320.

The previous prime is 10211110020197. The next prime is 10211110020253. The reversal of 10211110020221 is 12202001111201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10211110020221 - 2³⁰ = 10210036278397 is a prime.

It is a super-2 number, since 2×10211110020221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211110020196 and 10211110020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211113020221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20180059076 + ... + 20180059581.

It is an arithmetic number, because the mean of its divisors is an integer number (1452964271688).

Almost surely, 2^{10211110020221} is an apocalyptic number.

10211110020221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10211110020221 is a deficient number, since it is larger than the sum of its proper divisors (1412604153283).

10211110020221 is a wasteful number, since it uses less digits than its factorization.

10211110020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40360118691.

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

Adding to 10211110020221 its reverse (12202001111201), we get a palindrome (22413111131422).

The spelling of 10211110020221 in words is "ten trillion, two hundred eleven billion, one hundred ten million, twenty thousand, two hundred twenty-one".