10101121211001 has 32 divisors (see below), whose sum is σ = 14636854407168. Its totient is φ = 6178935026880.

The previous prime is 10101121210997. The next prime is 10101121211017. The reversal of 10101121211001 is 10011212110101.

It is not a de Polignac number, because 10101121211001 - 2² = 10101121210997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10101121211081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27681901 + ... + 28044426.

It is an arithmetic number, because the mean of its divisors is an integer number (457401700224).

Almost surely, 2^{10101121211001} is an apocalyptic number.

It is an amenable number.

10101121211001 is a deficient number, since it is larger than the sum of its proper divisors (4535733196167).

10101121211001 is a wasteful number, since it uses less digits than its factorization.

10101121211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55726461.

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

Adding to 10101121211001 its reverse (10011212110101), we get a palindrome (20112333321102).

The spelling of 10101121211001 in words is "ten trillion, one hundred one billion, one hundred twenty-one million, two hundred eleven thousand, one".