210220021021011 has 64 divisors (see below), whose sum is σ = 294692820516864. Its totient is φ = 133041625200000.

The previous prime is 210220021021001. The next prime is 210220021021051. The reversal of 210220021021011 is 110120120022012.

It is not a de Polignac number, because 210220021021011 - 2¹³ = 210220021012819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210220021021001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44247528886 + ... + 44247533636.

It is an arithmetic number, because the mean of its divisors is an integer number (4604575320576).

Almost surely, 2^{210220021021011} is an apocalyptic number.

210220021021011 is a deficient number, since it is larger than the sum of its proper divisors (84472799495853).

210220021021011 is a wasteful number, since it uses less digits than its factorization.

210220021021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9704.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210220021021011 its reverse (110120120022012), we get a palindrome (320340141043023).

The spelling of 210220021021011 in words is "two hundred ten trillion, two hundred twenty billion, twenty-one million, twenty-one thousand, eleven".