212021321102 has 16 divisors (see below), whose sum is σ = 329029892640. Its totient is φ = 102345385632.

The previous prime is 212021321093. The next prime is 212021321111. The reversal of 212021321102 is 201123120212.

It is an interprime number because it is at equal distance from previous prime (212021321093) and next prime (212021321111).

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, 461063 + ... + 797885.

It is an arithmetic number, because the mean of its divisors is an integer number (20564368290).

Almost surely, 2^212021321102 is an apocalyptic number.

212021321102 is a deficient number, since it is larger than the sum of its proper divisors (117008571538).

212021321102 is a wasteful number, since it uses less digits than its factorization.

212021321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347707.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212021321102 its reverse (201123120212), we get a palindrome (413144441314).

The spelling of 212021321102 in words is "two hundred twelve billion, twenty-one million, three hundred twenty-one thousand, one hundred two".