102212020101 has 4 divisors (see below), whose sum is σ = 136282693472. Its totient is φ = 68141346732.

The previous prime is 102212020091. The next prime is 102212020103. The reversal of 102212020101 is 101020212201.

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 not a de Polignac number, because 102212020101 - 2⁹ = 102212019589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212020103) 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, 17035336681 + ... + 17035336686.

It is an arithmetic number, because the mean of its divisors is an integer number (34070673368).

Almost surely, 2^102212020101 is an apocalyptic number.

It is an amenable number.

102212020101 is a deficient number, since it is larger than the sum of its proper divisors (34070673371).

102212020101 is an equidigital number, since it uses as much as digits as its factorization.

102212020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34070673370.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102212020101 its reverse (101020212201), we get a palindrome (203232232302).

The spelling of 102212020101 in words is "one hundred two billion, two hundred twelve million, twenty thousand, one hundred one".