101220411044042 has 16 divisors (see below), whose sum is σ = 154321308685800. Its totient is φ = 49779992725440.

The previous prime is 101220411044003. The next prime is 101220411044083. The reversal of 101220411044042 is 240440114022101.

It can be written as a sum of positive squares in 4 ways, for example, as 52684791548041 + 48535619496001 = 7258429^2 + 6966751^2 .

It is a super-2 number, since 2×101220411044042² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6992084 + ... + 15853392.

Almost surely, 2^{101220411044042} is an apocalyptic number.

101220411044042 is a deficient number, since it is larger than the sum of its proper divisors (53100897641758).

101220411044042 is an equidigital number, since it uses as much as digits as its factorization.

101220411044042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8955001.

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

Adding to 101220411044042 its reverse (240440114022101), we get a palindrome (341660525066143).

The spelling of 101220411044042 in words is "one hundred one trillion, two hundred twenty billion, four hundred eleven million, forty-four thousand, forty-two".