102012021220101 has 8 divisors (see below), whose sum is σ = 136251757980864. Its totient is φ = 67890149303040.

The previous prime is 102012021220093. The next prime is 102012021220111. The reversal of 102012021220101 is 101022120210201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102012021220101 - 2³ = 102012021220093 is a prime.

It is a super-3 number, since 3×102012021220101³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012021220111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29466208905 + ... + 29466212366.

It is an arithmetic number, because the mean of its divisors is an integer number (17031469747608).

Almost surely, 2^{102012021220101} is an apocalyptic number.

It is an amenable number.

102012021220101 is a deficient number, since it is larger than the sum of its proper divisors (34239736760763).

102012021220101 is an equidigital number, since it uses as much as digits as its factorization.

102012021220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58932421851.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102012021220101 its reverse (101022120210201), we get a palindrome (203034141430302).

The spelling of 102012021220101 in words is "one hundred two trillion, twelve billion, twenty-one million, two hundred twenty thousand, one hundred one".