10121212201101 has 8 divisors (see below), whose sum is σ = 13495019683680. Its totient is φ = 6747439759632.

The previous prime is 10121212201043. The next prime is 10121212201109. The reversal of 10121212201101 is 10110221212101.

It is a happy number.

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

It is not a de Polignac number, because 10121212201101 - 2⁷ = 10121212200973 is a prime.

It is a super-2 number, since 2×10121212201101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121212201109) 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, 8078746 + ... + 9247083.

It is an arithmetic number, because the mean of its divisors is an integer number (1686877460460).

Almost surely, 2^{10121212201101} is an apocalyptic number.

It is an amenable number.

10121212201101 is a deficient number, since it is larger than the sum of its proper divisors (3373807482579).

10121212201101 is a wasteful number, since it uses less digits than its factorization.

10121212201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17520555.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10121212201101 its reverse (10110221212101), we get a palindrome (20231433413202).

The spelling of 10121212201101 in words is "ten trillion, one hundred twenty-one billion, two hundred twelve million, two hundred one thousand, one hundred one".