101011223210221 has 32 divisors (see below), whose sum is σ = 110593694373120. Its totient is φ = 91930350758400.

The previous prime is 101011223210153. The next prime is 101011223210309. The reversal of 101011223210221 is 122012322110101.

It is not a de Polignac number, because 101011223210221 - 2²³ = 101011214821613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011223210621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42935535 + ... + 45227011.

It is an arithmetic number, because the mean of its divisors is an integer number (3456052949160).

Almost surely, 2^{101011223210221} is an apocalyptic number.

It is an amenable number.

101011223210221 is a deficient number, since it is larger than the sum of its proper divisors (9582471162899).

101011223210221 is a wasteful number, since it uses less digits than its factorization.

101011223210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292405.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 101011223210221 its reverse (122012322110101), we get a palindrome (223023545320322).

The spelling of 101011223210221 in words is "one hundred one trillion, eleven billion, two hundred twenty-three million, two hundred ten thousand, two hundred twenty-one".