1210101211101 has 8 divisors (see below), whose sum is σ = 1669105118880. Its totient is φ = 778915722032.

The previous prime is 1210101211093. The next prime is 1210101211139. The reversal of 1210101211101 is 1011121010121.

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 1210101211101 - 2³ = 1210101211093 is a prime.

It is a super-2 number, since 2×1210101211101² (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 (1210101211181) 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, 6954604575 + ... + 6954604748.

It is an arithmetic number, because the mean of its divisors is an integer number (208638139860).

Almost surely, 2^{1210101211101} is an apocalyptic number.

It is an amenable number.

1210101211101 is a deficient number, since it is larger than the sum of its proper divisors (459003907779).

1210101211101 is a wasteful number, since it uses less digits than its factorization.

1210101211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13909209355.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1210101211101 its reverse (1011121010121), we get a palindrome (2221222221222).

The spelling of 1210101211101 in words is "one trillion, two hundred ten billion, one hundred one million, two hundred eleven thousand, one hundred one".