100212021001222 has 32 divisors (see below), whose sum is σ = 162338575956480. Its totient is φ = 46121062236960.

The previous prime is 100212021001171. The next prime is 100212021001283. The reversal of 100212021001222 is 222100120212001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100212021001196 and 100212021001205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19917273 + ... + 24436075.

It is an arithmetic number, because the mean of its divisors is an integer number (5073080498640).

Almost surely, 2^{100212021001222} is an apocalyptic number.

100212021001222 is a deficient number, since it is larger than the sum of its proper divisors (62126554955258).

100212021001222 is a wasteful number, since it uses less digits than its factorization.

100212021001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521228.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100212021001222 its reverse (222100120212001), we get a palindrome (322312141213223).

The spelling of 100212021001222 in words is "one hundred trillion, two hundred twelve billion, twenty-one million, one thousand, two hundred twenty-two".