101121211021201 has 16 divisors (see below), whose sum is σ = 119309394211840. Its totient is φ = 83869273290240.

The previous prime is 101121211021183. The next prime is 101121211021213. The reversal of 101121211021201 is 102120112121101.

It is a cyclic number.

It is not a de Polignac number, because 101121211021201 - 2⁷ = 101121211021073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101121211021241) 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, 26166936 + ... + 29781721.

It is an arithmetic number, because the mean of its divisors is an integer number (7456837138240).

Almost surely, 2^{101121211021201} is an apocalyptic number.

It is an amenable number.

101121211021201 is a deficient number, since it is larger than the sum of its proper divisors (18188183190639).

101121211021201 is an equidigital number, since it uses as much as digits as its factorization.

101121211021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55957024.

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

Adding to 101121211021201 its reverse (102120112121101), we get a palindrome (203241323142302).

The spelling of 101121211021201 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred eleven million, twenty-one thousand, two hundred one".