212100020001022 has 16 divisors (see below), whose sum is σ = 336865188485232. Its totient is φ = 99811640536960.

The previous prime is 212100020001019. The next prime is 212100020001041. The reversal of 212100020001022 is 220100020001212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212100020000993 and 212100020001011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24448272 + ... + 31967452.

It is an arithmetic number, because the mean of its divisors is an integer number (21054074280327).

Almost surely, 2^{212100020001022} is an apocalyptic number.

212100020001022 is a deficient number, since it is larger than the sum of its proper divisors (124765168484210).

212100020001022 is a wasteful number, since it uses less digits than its factorization.

212100020001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348843.

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

Adding to 212100020001022 its reverse (220100020001212), we get a palindrome (432200040002234).

The spelling of 212100020001022 in words is "two hundred twelve trillion, one hundred billion, twenty million, one thousand, twenty-two".