1210011121101 has 16 divisors (see below), whose sum is σ = 1666529950464. Its totient is φ = 780335233344.

The previous prime is 1210011121087. The next prime is 1210011121139. The reversal of 1210011121101 is 1011211100121.

It is not a de Polignac number, because 1210011121101 - 2⁶ = 1210011121037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210011121171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31486581 + ... + 31524986.

It is an arithmetic number, because the mean of its divisors is an integer number (104158121904).

Almost surely, 2^{1210011121101} is an apocalyptic number.

It is an amenable number.

1210011121101 is a deficient number, since it is larger than the sum of its proper divisors (456518829363).

1210011121101 is a wasteful number, since it uses less digits than its factorization.

1210011121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63011780.

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

Adding to 1210011121101 its reverse (1011211100121), we get a palindrome (2221222221222).

The spelling of 1210011121101 in words is "one trillion, two hundred ten billion, eleven million, one hundred twenty-one thousand, one hundred one".