10102121201 has 4 divisors (see below), whose sum is σ = 10102476912. Its totient is φ = 10101765492.

The previous prime is 10102121173. The next prime is 10102121269. The reversal of 10102121201 is 10212120101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10212120101 = 67 ⋅152419703.

It is a cyclic number.

It is not a de Polignac number, because 10102121201 - 2¹⁸ = 10101859057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10102121501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131171 + ... + 193416.

It is an arithmetic number, because the mean of its divisors is an integer number (2525619228).

Almost surely, 2^10102121201 is an apocalyptic number.

It is an amenable number.

10102121201 is a deficient number, since it is larger than the sum of its proper divisors (355711).

10102121201 is an equidigital number, since it uses as much as digits as its factorization.

10102121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355710.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10102121201 its reverse (10212120101), we get a palindrome (20314241302).

The spelling of 10102121201 in words is "ten billion, one hundred two million, one hundred twenty-one thousand, two hundred one".