100021111001222 has 16 divisors (see below), whose sum is σ = 150403736694960. Its totient is φ = 49886554324992.

The previous prime is 100021111001219. The next prime is 100021111001257. The reversal of 100021111001222 is 222100111120001.

It is a junction number, because it is equal to n+sod(n) for n = 100021111001197 and 100021111001206.

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, 3461078 + ... + 14560950.

It is an arithmetic number, because the mean of its divisors is an integer number (9400233543435).

Almost surely, 2^{100021111001222} is an apocalyptic number.

100021111001222 is a deficient number, since it is larger than the sum of its proper divisors (50382625693738).

100021111001222 is a wasteful number, since it uses less digits than its factorization.

100021111001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111047.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100021111001222 its reverse (222100111120001), we get a palindrome (322121222121223).

The spelling of 100021111001222 in words is "one hundred trillion, twenty-one billion, one hundred eleven million, one thousand, two hundred twenty-two".