100340213022021 has 12 divisors (see below), whose sum is σ = 155629718156832. Its totient is φ = 57337264583928.

The previous prime is 100340213022019. The next prime is 100340213022029. The reversal of 100340213022021 is 120220312043001.

It is not a de Polignac number, because 100340213022021 - 2¹ = 100340213022019 is a prime.

It is a super-2 number, since 2×100340213022021² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100340213022029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341293241425 + ... + 341293241718.

It is an arithmetic number, because the mean of its divisors is an integer number (12969143179736).

Almost surely, 2^{100340213022021} is an apocalyptic number.

It is an amenable number.

100340213022021 is a deficient number, since it is larger than the sum of its proper divisors (55289505134811).

100340213022021 is an equidigital number, since it uses as much as digits as its factorization.

100340213022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682586483160 (or 682586483153 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100340213022021 its reverse (120220312043001), we get a palindrome (220560525065022).

The spelling of 100340213022021 in words is "one hundred trillion, three hundred forty billion, two hundred thirteen million, twenty-two thousand, twenty-one".