212021000221022 has 8 divisors (see below), whose sum is σ = 318031575347136. Its totient is φ = 106010475105312.

The previous prime is 212021000220971. The next prime is 212021000221073. The reversal of 212021000221022 is 220122000120212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212021000220971) and next prime (212021000221073).

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

It is a super-2 number, since 2×212021000221022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022483 + ... + 20617649.

It is an arithmetic number, because the mean of its divisors is an integer number (39753946918392).

Almost surely, 2^{212021000221022} is an apocalyptic number.

212021000221022 is a deficient number, since it is larger than the sum of its proper divisors (106010575126114).

212021000221022 is a wasteful number, since it uses less digits than its factorization.

212021000221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25005202.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212021000221022 its reverse (220122000120212), we get a palindrome (432143000341234).

The spelling of 212021000221022 in words is "two hundred twelve trillion, twenty-one billion, two hundred twenty-one thousand, twenty-two".