1030211106221 has 16 divisors (see below), whose sum is σ = 1173931049088. Its totient is φ = 894918604800.

The previous prime is 1030211106209. The next prime is 1030211106241. The reversal of 1030211106221 is 1226011120301.

It is not a de Polignac number, because 1030211106221 - 2¹⁸ = 1030210844077 is a prime.

It is a super-2 number, since 2×1030211106221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030211106193 and 1030211106202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030211106241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836740 + ... + 2331101.

It is an arithmetic number, because the mean of its divisors is an integer number (73370690568).

Almost surely, 2^{1030211106221} is an apocalyptic number.

1030211106221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1030211106221 is a deficient number, since it is larger than the sum of its proper divisors (143719942867).

1030211106221 is a wasteful number, since it uses less digits than its factorization.

1030211106221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168852.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1030211106221 its reverse (1226011120301), we get a palindrome (2256222226522).

The spelling of 1030211106221 in words is "one trillion, thirty billion, two hundred eleven million, one hundred six thousand, two hundred twenty-one".