210021022001101 has 4 divisors (see below), whose sum is σ = 210029429929600. Its totient is φ = 210012614072604.

The previous prime is 210021022001009. The next prime is 210021022001113. The reversal of 210021022001101 is 101100220120012.

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 210021022001101 - 2¹³ = 210021021992909 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 (210021032001101) 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, 4203926781 + ... + 4203976738.

It is an arithmetic number, because the mean of its divisors is an integer number (52507357482400).

Almost surely, 2^{210021022001101} is an apocalyptic number.

It is an amenable number.

210021022001101 is a deficient number, since it is larger than the sum of its proper divisors (8407928499).

210021022001101 is an equidigital number, since it uses as much as digits as its factorization.

210021022001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8407928498.

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

Adding to 210021022001101 its reverse (101100220120012), we get a palindrome (311121242121113).

The spelling of 210021022001101 in words is "two hundred ten trillion, twenty-one billion, twenty-two million, one thousand, one hundred one".