1010211200221 has 4 divisors (see below), whose sum is σ = 1010213402112. Its totient is φ = 1010208998332.

The previous prime is 1010211200183. The next prime is 1010211200381. The reversal of 1010211200221 is 1220021120101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010211200221 - 2²³ = 1010202811613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010211201221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123475 + ... + 1426768.

It is an arithmetic number, because the mean of its divisors is an integer number (252553350528).

Almost surely, 2^{1010211200221} is an apocalyptic number.

It is an amenable number.

1010211200221 is a deficient number, since it is larger than the sum of its proper divisors (2201891).

1010211200221 is an equidigital number, since it uses as much as digits as its factorization.

1010211200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201890.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1010211200221 its reverse (1220021120101), we get a palindrome (2230232320322).

The spelling of 1010211200221 in words is "one trillion, ten billion, two hundred eleven million, two hundred thousand, two hundred twenty-one".