101121211201 has 4 divisors (see below), whose sum is σ = 101124059904. Its totient is φ = 101118362500.

The previous prime is 101121211189. The next prime is 101121211249. The reversal of 101121211201 is 102112121101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101121211201 - 2⁹ = 101121210689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101121211901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370425 + ... + 1442326.

It is an arithmetic number, because the mean of its divisors is an integer number (25281014976).

Almost surely, 2^101121211201 is an apocalyptic number.

It is an amenable number.

101121211201 is a deficient number, since it is larger than the sum of its proper divisors (2848703).

101121211201 is an equidigital number, since it uses as much as digits as its factorization.

101121211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848702.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101121211201 its reverse (102112121101), we get a palindrome (203233332302).

The spelling of 101121211201 in words is "one hundred one billion, one hundred twenty-one million, two hundred eleven thousand, two hundred one".