211220002101 has 8 divisors (see below), whose sum is σ = 281668351104. Its totient is φ = 140792493920.

The previous prime is 211220002099. The next prime is 211220002117. The reversal of 211220002101 is 101200022112.

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

It is a cyclic number.

It is not a de Polignac number, because 211220002101 - 2¹ = 211220002099 is a prime.

It is a super-2 number, since 2×211220002101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220002171) 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, 5186541 + ... + 5227106.

It is an arithmetic number, because the mean of its divisors is an integer number (35208543888).

Almost surely, 2^211220002101 is an apocalyptic number.

It is an amenable number.

211220002101 is a deficient number, since it is larger than the sum of its proper divisors (70448349003).

211220002101 is a wasteful number, since it uses less digits than its factorization.

211220002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420411.

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

Adding to 211220002101 its reverse (101200022112), we get a palindrome (312420024213).

The spelling of 211220002101 in words is "two hundred eleven billion, two hundred twenty million, two thousand, one hundred one".