2102223001042 has 16 divisors (see below), whose sum is σ = 3246478044120. Its totient is φ = 1020202570368.

The previous prime is 2102223001013. The next prime is 2102223001051. The reversal of 2102223001042 is 2401003222012.

It can be written as a sum of positive squares in 4 ways, for example, as 2062725015961 + 39497985081 = 1436219^2 + 198741^2 .

It is a super-2 number, since 2×2102223001042² (a number of 25 digits) contains 22 as substring.

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, 34698853 + ... + 34759384.

Almost surely, 2^{2102223001042} is an apocalyptic number.

2102223001042 is a deficient number, since it is larger than the sum of its proper divisors (1144255043078).

2102223001042 is a wasteful number, since it uses less digits than its factorization.

2102223001042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69458685.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2102223001042 its reverse (2401003222012), we get a palindrome (4503226223054).

It can be divided in two parts, 210222 and 3001042, that added together give a square (3211264 = 1792²).

The spelling of 2102223001042 in words is "two trillion, one hundred two billion, two hundred twenty-three million, one thousand, forty-two".