101012021203121 has 8 divisors (see below), whose sum is σ = 115467587475840. Its totient is φ = 86562774312768.

The previous prime is 101012021203117. The next prime is 101012021203133. The reversal of 101012021203121 is 121302120210101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101012021203121 - 2² = 101012021203117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101012021203121.

It is not an unprimeable number, because it can be changed into a prime (101012021203421) 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, 1579811336 + ... + 1579875273.

It is an arithmetic number, because the mean of its divisors is an integer number (14433448434480).

Almost surely, 2^{101012021203121} is an apocalyptic number.

It is an amenable number.

101012021203121 is a deficient number, since it is larger than the sum of its proper divisors (14455566272719).

101012021203121 is an equidigital number, since it uses as much as digits as its factorization.

101012021203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159691183.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101012021203121 its reverse (121302120210101), we get a palindrome (222314141413222).

The spelling of 101012021203121 in words is "one hundred one trillion, twelve billion, twenty-one million, two hundred three thousand, one hundred twenty-one".