10211220214442 has 16 divisors (see below), whose sum is σ = 16658365350312. Its totient is φ = 4666208779200.

The previous prime is 10211220214441. The next prime is 10211220214453. The reversal of 10211220214442 is 24441202211201.

It can be written as a sum of positive squares in 4 ways, for example, as 9813940863841 + 397279350601 = 3132721^2 + 630301^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (10211220214441) 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, 1944251033 + ... + 1944256284.

Almost surely, 2^{10211220214442} is an apocalyptic number.

10211220214442 is a deficient number, since it is larger than the sum of its proper divisors (6447145135870).

10211220214442 is a wasteful number, since it uses less digits than its factorization.

10211220214442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888507433.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 10211220214442 its reverse (24441202211201), we get a palindrome (34652422425643).

The spelling of 10211220214442 in words is "ten trillion, two hundred eleven billion, two hundred twenty million, two hundred fourteen thousand, four hundred forty-two".