1000012201022 has 4 divisors (see below), whose sum is σ = 1500018301536. Its totient is φ = 500006100510.

The previous prime is 1000012201003. The next prime is 1000012201037. The reversal of 1000012201022 is 2201022100001.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1000012200994 and 1000012201012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250003050254 + ... + 250003050257.

It is an arithmetic number, because the mean of its divisors is an integer number (375004575384).

Almost surely, 2^{1000012201022} is an apocalyptic number.

1000012201022 is a deficient number, since it is larger than the sum of its proper divisors (500006100514).

1000012201022 is an equidigital number, since it uses as much as digits as its factorization.

1000012201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500006100513.

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

Adding to 1000012201022 its reverse (2201022100001), we get a palindrome (3201034301023).

It can be divided in two parts, 100001 and 2201022, that multiplied together give a palindrome (220104401022).

The spelling of 1000012201022 in words is "one trillion, twelve million, two hundred one thousand, twenty-two".