102021101201 has 4 divisors (see below), whose sum is σ = 103543804272. Its totient is φ = 100498398132.

The previous prime is 102021101197. The next prime is 102021101239. The reversal of 102021101201 is 102101120201.

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: 102101120201 = 4919 ⋅20756479.

It is a cyclic number.

It is not a de Polignac number, because 102021101201 - 2² = 102021101197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021101291) 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, 761351435 + ... + 761351568.

It is an arithmetic number, because the mean of its divisors is an integer number (25885951068).

Almost surely, 2^102021101201 is an apocalyptic number.

It is an amenable number.

102021101201 is a deficient number, since it is larger than the sum of its proper divisors (1522703071).

102021101201 is an equidigital number, since it uses as much as digits as its factorization.

102021101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522703070.

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

Adding to 102021101201 its reverse (102101120201), we get a palindrome (204122221402).

The spelling of 102021101201 in words is "one hundred two billion, twenty-one million, one hundred one thousand, two hundred one".