101221001211103 has 8 divisors (see below), whose sum is σ = 105748126908480. Its totient is φ = 96762991936800.

The previous prime is 101221001211101. The next prime is 101221001211131. The reversal of 101221001211103 is 301112100122101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101221001211103 - 2¹ = 101221001211101 is a prime.

It is a super-2 number, since 2×101221001211103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221001211101) 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, 17279102775 + ... + 17279108632.

It is an arithmetic number, because the mean of its divisors is an integer number (13218515863560).

Almost surely, 2^{101221001211103} is an apocalyptic number.

101221001211103 is a deficient number, since it is larger than the sum of its proper divisors (4527125697377).

101221001211103 is a wasteful number, since it uses less digits than its factorization.

101221001211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34558211537.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 101221001211103 its reverse (301112100122101), we get a palindrome (402333101333204).

The spelling of 101221001211103 in words is "one hundred one trillion, two hundred twenty-one billion, one million, two hundred eleven thousand, one hundred three".