1031010221101 has 32 divisors (see below), whose sum is σ = 1215423885312. Its totient is φ = 856265778240.

The previous prime is 1031010221063. The next prime is 1031010221233. The reversal of 1031010221101 is 1011220101301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1031010221101 - 2¹⁵ = 1031010188333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031010225101) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 57618366 + ... + 57636256.

It is an arithmetic number, because the mean of its divisors is an integer number (37981996416).

Almost surely, 2^{1031010221101} is an apocalyptic number.

It is an amenable number.

1031010221101 is a deficient number, since it is larger than the sum of its proper divisors (184413664211).

1031010221101 is a wasteful number, since it uses less digits than its factorization.

1031010221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19689.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1031010221101 its reverse (1011220101301), we get a palindrome (2042230322402).

The spelling of 1031010221101 in words is "one trillion, thirty-one billion, ten million, two hundred twenty-one thousand, one hundred one".