10102120220121 has 8 divisors (see below), whose sum is σ = 13469517479904. Its totient is φ = 6734734886880.

The previous prime is 10102120220107. The next prime is 10102120220191. The reversal of 10102120220121 is 12102202120101.

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

It is not a de Polignac number, because 10102120220121 - 2⁷ = 10102120219993 is a prime.

It is a super-2 number, since 2×10102120220121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10102120220121.

It is not an unprimeable number, because it can be changed into a prime (10102120220191) 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, 771115 + ... + 4560576.

It is an arithmetic number, because the mean of its divisors is an integer number (1683689684988).

Almost surely, 2^{10102120220121} is an apocalyptic number.

It is an amenable number.

10102120220121 is a deficient number, since it is larger than the sum of its proper divisors (3367397259783).

10102120220121 is an equidigital number, since it uses as much as digits as its factorization.

10102120220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963271.

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

Adding to 10102120220121 its reverse (12102202120101), we get a palindrome (22204322340222).

The spelling of 10102120220121 in words is "ten trillion, one hundred two billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty-one".