21020100210022 has 8 divisors (see below), whose sum is σ = 31530889875672. Its totient is φ = 10509803584800.

The previous prime is 21020100210013. The next prime is 21020100210029. The reversal of 21020100210022 is 22001200102012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21020100210022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21020100209984 and 21020100210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21020100210029) 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, 123153504 + ... + 123324067.

It is an arithmetic number, because the mean of its divisors is an integer number (3941361234459).

Almost surely, 2^{21020100210022} is an apocalyptic number.

21020100210022 is a deficient number, since it is larger than the sum of its proper divisors (10510789665650).

21020100210022 is a wasteful number, since it uses less digits than its factorization.

21020100210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246520214.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21020100210022 its reverse (22001200102012), we get a palindrome (43021300312034).

The spelling of 21020100210022 in words is "twenty-one trillion, twenty billion, one hundred million, two hundred ten thousand, twenty-two".