20212222010102 has 4 divisors (see below), whose sum is σ = 30318333015156. Its totient is φ = 10106111005050.

The previous prime is 20212222010087. The next prime is 20212222010129. The reversal of 20212222010102 is 20101022221202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×20212222010102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053055502524 + ... + 5053055502527.

It is an arithmetic number, because the mean of its divisors is an integer number (7579583253789).

Almost surely, 2^{20212222010102} is an apocalyptic number.

20212222010102 is a deficient number, since it is larger than the sum of its proper divisors (10106111005054).

20212222010102 is a wasteful number, since it uses less digits than its factorization.

20212222010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106111005053.

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

Adding to 20212222010102 its reverse (20101022221202), we get a palindrome (40313244231304).

The spelling of 20212222010102 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two million, ten thousand, one hundred two".