1021210211103 has 8 divisors (see below), whose sum is σ = 1420814206848. Its totient is φ = 651206511384.

The previous prime is 1021210211069. The next prime is 1021210211171. The reversal of 1021210211103 is 3011120121201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1021210211103 - 2¹² = 1021210207007 is a prime.

It is a super-2 number, since 2×1021210211103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021210211303) 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, 7400073925 + ... + 7400074062.

It is an arithmetic number, because the mean of its divisors is an integer number (177601775856).

Almost surely, 2^{1021210211103} is an apocalyptic number.

1021210211103 is a deficient number, since it is larger than the sum of its proper divisors (399603995745).

1021210211103 is a wasteful number, since it uses less digits than its factorization.

1021210211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800148013.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1021210211103 its reverse (3011120121201), we get a palindrome (4032330332304).

The spelling of 1021210211103 in words is "one trillion, twenty-one billion, two hundred ten million, two hundred eleven thousand, one hundred three".