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10210012212221 = 187741879129887
BaseRepresentation
bin1001010010010011010000…
…1001101010101111111101
31100011001211022021000110122
42110210310021222233331
52314240101111242341
633414225335344325
72102435422605353
oct224446411525775
940131738230418
1010210012212221
1132870507a0478
12118a9285220a5
13590a5284c613
1427424ac317d3
1512a8bc38894b
hex9493426abfd

10210012212221 has 8 divisors (see below), whose sum is σ = 10215774328320. Its totient is φ = 10204250443408.

The previous prime is 10210012212199. The next prime is 10210012212227. The reversal of 10210012212221 is 12221221001201.

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 10210012212221 - 222 = 10210008017917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10210012212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210012212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78541940 + ... + 78671826.

It is an arithmetic number, because the mean of its divisors is an integer number (1276971791040).

Almost surely, 210210012212221 is an apocalyptic number.

It is an amenable number.

10210012212221 is a deficient number, since it is larger than the sum of its proper divisors (5762116099).

10210012212221 is a wasteful number, since it uses less digits than its factorization.

10210012212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173643.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10210012212221 its reverse (12221221001201), we get a palindrome (22431233213422).

The spelling of 10210012212221 in words is "ten trillion, two hundred ten billion, twelve million, two hundred twelve thousand, two hundred twenty-one".

Divisors: 1 1877 41879 129887 78606883 243797899 5439537673 10210012212221