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101012120200221 = 3191772142459653
BaseRepresentation
bin10110111101111010110111…
…100010101110010000011101
3111020122122221100000220211020
4112331322313202232100131
5101214440310232401341
6554500154415114353
730163612334662056
oct2675726742562035
9436578840026736
10101012120200221
112a204aaa52196a
12b3b49aa8129b9
13444952c440399
141ad3026c0572d
15ba28550eb566
hex5bdeb78ae41d

101012120200221 has 8 divisors (see below), whose sum is σ = 141771396772320. Its totient is φ = 63797128547472.

The previous prime is 101012120200207. The next prime is 101012120200249. The reversal of 101012120200221 is 122002021210101.

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

It is not a de Polignac number, because 101012120200221 - 27 = 101012120200093 is a prime.

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 101012120200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012120900221) 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, 886071229770 + ... + 886071229883.

It is an arithmetic number, because the mean of its divisors is an integer number (17721424596540).

Almost surely, 2101012120200221 is an apocalyptic number.

It is an amenable number.

101012120200221 is a deficient number, since it is larger than the sum of its proper divisors (40759276572099).

101012120200221 is a wasteful number, since it uses less digits than its factorization.

101012120200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772142459675.

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

Adding to 101012120200221 its reverse (122002021210101), we get a palindrome (223014141410322).

The spelling of 101012120200221 in words is "one hundred one trillion, twelve billion, one hundred twenty million, two hundred thousand, two hundred twenty-one".

Divisors: 1 3 19 57 1772142459653 5316427378959 33670706733407 101012120200221