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1220022202101 = 3722956255923
BaseRepresentation
bin10001110000001110111…
…111010110111011110101
311022122002110000100210020
4101300032333112323311
5124442101140431401
62332245341515353
7154100200420053
oct21601677267365
94278073010706
101220022202101
114304547aa95a
12178546b72b59
138b080767181
144309974d1d3
1521b0788ed36
hex11c0efd6ef5

1220022202101 has 8 divisors (see below), whose sum is σ = 1626921322080. Its totient is φ = 813235608432.

The previous prime is 1220022202067. The next prime is 1220022202127. The reversal of 1220022202101 is 1012022200221.

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

It is not a de Polignac number, because 1220022202101 - 29 = 1220022201589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220022202141) 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, 28106275 + ... + 28149648.

It is an arithmetic number, because the mean of its divisors is an integer number (203365165260).

Almost surely, 21220022202101 is an apocalyptic number.

It is an amenable number.

1220022202101 is a deficient number, since it is larger than the sum of its proper divisors (406899119979).

1220022202101 is an equidigital number, since it uses as much as digits as its factorization.

1220022202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56263155.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220022202101 its reverse (1012022200221), we get a palindrome (2232044402322).

The spelling of 1220022202101 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred two thousand, one hundred one".

Divisors: 1 3 7229 21687 56255923 168767769 406674067367 1220022202101