210220212011021 has 8 divisors (see below), whose sum is σ = 212878355848704. Its totient is φ = 207565053178240.

The previous prime is 210220212010981. The next prime is 210220212011063. The reversal of 210220212011021 is 120110212022012.

210220212011021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210220212011021 is a prime.

It is a super-3 number, since 3×210220212011021³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220212011071) 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, 746109485 + ... + 746391186.

It is an arithmetic number, because the mean of its divisors is an integer number (26609794481088).

Almost surely, 2^{210220212011021} is an apocalyptic number.

It is an amenable number.

210220212011021 is a deficient number, since it is larger than the sum of its proper divisors (2658143837683).

210220212011021 is a wasteful number, since it uses less digits than its factorization.

210220212011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492502451.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210220212011021 its reverse (120110212022012), we get a palindrome (330330424033033).

The spelling of 210220212011021 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twelve million, eleven thousand, twenty-one".