211021022013 has 8 divisors (see below), whose sum is σ = 287347774848. Its totient is φ = 137687475264.

The previous prime is 211021021997. The next prime is 211021022029. The reversal of 211021022013 is 310220120112.

It is an interprime number because it is at equal distance from previous prime (211021021997) and next prime (211021022029).

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

It is not a de Polignac number, because 211021022013 - 2⁴ = 211021021997 is a prime.

It is a super-2 number, since 2×211021022013² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211021021983 and 211021022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211021022413) 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, 748301356 + ... + 748301637.

It is an arithmetic number, because the mean of its divisors is an integer number (35918471856).

Almost surely, 2^211021022013 is an apocalyptic number.

It is an amenable number.

211021022013 is a deficient number, since it is larger than the sum of its proper divisors (76326752835).

211021022013 is a wasteful number, since it uses less digits than its factorization.

211021022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496603043.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211021022013 its reverse (310220120112), we get a palindrome (521241142125).

The spelling of 211021022013 in words is "two hundred eleven billion, twenty-one million, twenty-two thousand, thirteen".