100001020001222 has 16 divisors (see below), whose sum is σ = 151948706448960. Its totient is φ = 49351854709248.

The previous prime is 100001020001203. The next prime is 100001020001227. The reversal of 100001020001222 is 222100020100001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001020001227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100383833 + ... + 101375124.

It is an arithmetic number, because the mean of its divisors is an integer number (9496794153060).

Almost surely, 2^{100001020001222} is an apocalyptic number.

100001020001222 is a deficient number, since it is larger than the sum of its proper divisors (51947686447738).

100001020001222 is a wasteful number, since it uses less digits than its factorization.

100001020001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201762175.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100001020001222 its reverse (222100020100001), we get a palindrome (322101040101223).

The spelling of 100001020001222 in words is "one hundred trillion, one billion, twenty million, one thousand, two hundred twenty-two".